JEE Physics 150 MCQS

                                    JEE  Physics 150  MCQS 

 

Ace Your JEE Prep with 150 Handpicked Physics MCQs – Free Practice Questions

Boost your JEE Main & Advanced preparation with our curated list of 150 important Physics MCQs. Covering key topics like Mechanics, Thermodynamics, Electromagnetism, Optics, and Modern Physics, these multiple-choice questions are designed to match the JEE exam pattern. Perfect for revision and self-assessment, this resource is ideal for both JEE Main and JEE Advanced aspirants.

Whether you're looking for conceptual JEE Physics questions, previous year MCQs, or topic-wise practice, this collection helps reinforce understanding and improve accuracy. Start practicing now to strengthen your problem-solving skills and maximize your Physics score.

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• JEE Physics 150 MCQs: Practice Questions with Answers for JEE Main & Advanced

  Prepare smarter for JEE Physics with this exclusive set of 150 multiple choice questions (MCQs) covering all major topics in the JEE Main and Advanced Physics syllabus. These questions are designed for students aiming for a high score in competitive exams like IIT JEE, NEET, BITSAT, and other engineering entrance tests.

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  📘 Topics Covered

  • Kinematics

  • Laws of Motion

  • Work, Energy and Power

  • Rotational Motion

  • Gravitation

  • Thermodynamics

  • Kinetic Theory of Gases

  • Oscillations and Waves

  • Electrostatics

  • Current Electricity

  • Magnetism

  • Electromagnetic Induction

  • Alternating Current

  • Optics

  • Modern Physics

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  🔍 Section 1: Kinematics MCQs

  1. A car accelerates from rest at a constant rate α for time t. The distance covered by the car in that time is:
     A) αt
     B) αt²
     C) (1/2)αt²
     D) 2αt
     Answer: C

  2. The velocity-time graph of a particle is a straight line inclined at an angle to the time axis. What does this imply?
     A) Constant velocity
     B) Constant acceleration
     C) Uniform motion
     D) Retardation
     Answer: B

  3. A body is thrown vertically upwards with speed u. The maximum height it reaches is:
     A) u/g
     B) u²/2g
     C) u²/g
     D) 2u²/g
     Answer: B

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  🧲 Section 2: Laws of Motion MCQs

  4. Which of the following is NOT a contact force?
     A) Friction
     B) Normal reaction
     C) Tension
     D) Gravitational force
     Answer: D

  5. A 2 kg block is pulled with a force of 10 N on a horizontal frictionless surface. The acceleration of the block is:
     A) 2 m/s²
     B) 5 m/s²
     C) 10 m/s²
     D) 20 m/s²
     Answer: B

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  🔥 Section 3: Thermodynamics MCQs

  6. The first law of thermodynamics is a restatement of:
     A) Conservation of energy
     B) Conservation of momentum
     C) Conservation of mass
     D) Newton’s second law
     Answer: A

  7. In an isothermal process, the internal energy of an ideal gas:
     A) Increases
     B) Decreases
     C) Remains constant
     D) Becomes zero
     Answer: C

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  ⚡ Section 4: Current Electricity MCQs

  8. The resistance of a wire is directly proportional to:
     A) Its length
     B) Its cross-sectional area
     C) Square of its length
     D) Square of its area
     Answer: A

  9. Ohm’s law is applicable only when:
     A) Temperature is constant
     B) Current is alternating
     C) Resistance is zero
     D) Voltage is very high
     Answer: A

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  🌌 Section 5: Modern Physics MCQs

  10. The energy of a photon is given by:
      A) E = mc²
      B) E = hv
      C) E = h/c
      D) E = hc/v
      Answer: B

  11. The half-life of a radioactive substance is 10 hours. How much of it remains after 30 hours?
      A) 1/2
      B) 1/4
      C) 1/8
      D) 1/16
      Answer: C

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  🚀 Boost Your JEE Preparation
  Practice daily with JEE Physics MCQs to strengthen conceptual clarity and speed. These JEE Physics questions are handpicked for aspirants aiming to crack IIT JEE 2025.

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  📂 Download Full PDF: 150 JEE Physics MCQs with Answers

  Contact me or request the full document with all 150 questions, answer keys, and chapter-wise distribution.

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  🌍 Section 6: Gravitation MCQs

  12. The acceleration due to gravity on the surface of a planet depends on:
      A) Mass of the body only
      B) Radius of the planet only
      C) Mass and radius of the planet
      D) None of these
      Answer: C

  13. The gravitational force between two masses is:
      A) Inversely proportional to product of masses
      B) Inversely proportional to square of distance
      C) Directly proportional to square of distance
      D) Independent of distance
      Answer: B

  14. A satellite in a circular orbit around Earth has constant:
      A) Speed and acceleration
      B) Velocity and acceleration
      C) Kinetic energy and speed
      D) Kinetic energy and acceleration
      Answer: C

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  🔄 Section 7: Rotational Motion MCQs

  15. Moment of inertia of a solid sphere of mass $M$ and radius $R$ about a diameter is:
      A) $\frac{2}{5}MR^2$
      B) $\frac{1}{2}MR^2$
      C) $\frac{3}{5}MR^2$
      D) $MR^2$
      Answer: A

  16. Torque is the rotational analog of:
      A) Velocity
      B) Momentum
      C) Force
      D) Work
      Answer: C

  17. A flywheel rotating at constant angular velocity has:
      A) Zero torque
      B) Constant torque
      C) Increasing angular acceleration
      D) Decreasing kinetic energy
      Answer: A

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  🌊 Section 8: Oscillations and Waves MCQs

  18. The time period of a simple pendulum is given by:
      A) $T = 2\pi \sqrt{l/g}$
      B) $T = 2\pi \sqrt{g/l}$
      C) $T = \sqrt{g/l}$
      D) $T = 2\pi \sqrt{lg}$
      Answer: A

  19. Which quantity remains constant during SHM?
      A) Displacement
      B) Velocity
      C) Acceleration
      D) Total energy
      Answer: D

  20. The speed of sound is highest in:
      A) Air
      B) Water
      C) Iron
      D) Vacuum
      Answer: C

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  ⚡ Section 9: Electrostatics MCQs

  21. The electric field inside a charged conducting sphere is:
      A) Zero
      B) Maximum at center
      C) Uniform throughout
      D) Maximum at surface
      Answer: A

  22. The potential difference between two points is equal to:
      A) Work done in moving a unit positive charge from one point to another
      B) Charge multiplied by distance
      C) Force divided by charge
      D) Work done in moving a unit negative charge
      Answer: A

  23. Coulomb’s law is analogous to:
      A) Newton’s law of universal gravitation
      B) Ohm’s law
      C) Hooke’s law
      D) Faraday’s law
      Answer: A

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  🧲 Section 10: Magnetism MCQs

  24. The SI unit of magnetic flux is:
      A) Tesla
      B) Weber
      C) Ampere
      D) Henry
      Answer: B

  25. The magnetic force on a charged particle moving parallel to the magnetic field is:
      A) Maximum
      B) Zero
      C) Half the maximum
      D) Depends on speed
      Answer: B

  26. A coil rotating in a magnetic field produces:
      A) Direct current only
      B) Alternating current only
      C) No current
      D) Constant voltage
      Answer: B

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  🔋 Section 11: Electromagnetic Induction MCQs

  27. According to Faraday’s law, the induced emf in a coil is proportional to:
      A) Change in magnetic flux through the coil
      B) Magnetic field strength only
      C) Number of turns in the coil only
      D) Area of the coil only
      Answer: A

  28. Lenz’s law is a consequence of:
      A) Conservation of energy
      B) Newton’s second law
      C) Ohm’s law
      D) Coulomb’s law
      Answer: A

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  ⚡ Section 12: Alternating Current (AC) MCQs

  29. The RMS value of an alternating current $I_0 \sin \omega t$ is:
      A) $I_0$
      B) $\frac{I_0}{\sqrt{2}}$
      C) $\frac{I_0}{2}$
      D) $2I_0$
      Answer: B

  30. The power factor in a purely inductive AC circuit is:
      A) 0
      B) 1
      C) 0.5
      D) -1
      Answer: A

  31. The frequency of the AC mains in India is:
      A) 50 Hz
      B) 60 Hz
      C) 100 Hz
      D) 25 Hz
      Answer: A

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  🌈 Section 13: Optics MCQs

  32. The refractive index of a medium is defined as:
      A) Speed of light in vacuum / speed of light in medium
      B) Speed of light in medium / speed of light in vacuum
      C) Wavelength in medium / wavelength in vacuum
      D) Frequency in medium / frequency in vacuum
      Answer: A

  33. The focal length of a convex lens is positive because:
      A) It converges rays
      B) It diverges rays
      C) It absorbs light
      D) It reflects light
      Answer: A

  34. The phenomenon of bending of light around obstacles is called:
      A) Reflection
      B) Refraction
      C) Diffraction
      D) Interference
      Answer: C

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  🔬 Section 14: Modern Physics MCQs

  35. The de Broglie wavelength of a particle is inversely proportional to:
      A) Mass of the particle
      B) Momentum of the particle
      C) Velocity squared
      D) Energy
      Answer: B

  36. The work function of a metal is the:
      A) Minimum energy required to remove an electron from the metal surface
      B) Maximum energy of electron
      C) Energy gained by electron
      D) Energy lost by electron
      Answer: A

  37. In a nuclear reaction, the mass defect corresponds to:
      A) Energy released
      B) Energy absorbed
      C) Energy conserved
      D) None of these
      Answer: A

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  🔬 Section 15: Wave Optics MCQs

  38. Two coherent sources of light produce an interference pattern. The condition for constructive interference is:
      A) Path difference = (n + ½)λ
      B) Path difference = nλ
      C) Path difference = λ/2
      D) Path difference = 2nλ
      Answer: B

  39. The fringe width in Young’s double-slit experiment depends on:
      A) Wavelength of light and distance between slits only
      B) Wavelength of light and distance between slits and screen
      C) Distance between slits and distance between slits and screen only
      D) None of these
      Answer: B

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  🌡️ Section 16: Thermodynamics MCQs (continued)

  40. During an adiabatic process for an ideal gas, the relation between pressure and volume is:
      A) $PV = \text{constant}$
      B) $PV^\gamma = \text{constant}$
      C) $P + V = \text{constant}$
      D) $P - V^\gamma = \text{constant}$
      Answer: B

  41. Specific heat at constant volume $C_v$ and at constant pressure $C_p$ are related by:
      A) $C_p = C_v$
      B) $C_p = C_v + R$
      C) $C_p = C_v - R$
      D) $C_p = 2C_v$
      Answer: B

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  🌀 Section 17: Fluid Mechanics MCQs

  42. The pressure exerted by a liquid at a depth h is given by:
      A) $P = \rho g h$
      B) $P = \rho gh^2$
      C) $P = \frac{1}{2} \rho g h^2$
      D) $P = \frac{1}{2} \rho g h$
      Answer: A

  43. Bernoulli’s equation is a consequence of:
      A) Conservation of energy
      B) Conservation of momentum
      C) Conservation of mass
      D) Newton’s laws
      Answer: A

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  🌀 Section 18: Fluid Mechanics MCQs (continued)

  44. The buoyant force on a body immersed in a fluid is equal to:
      A) Weight of the fluid displaced
      B) Weight of the body
      C) Volume of the fluid displaced
      D) Density of the body × volume of the fluid
      Answer: A

  45. The SI unit of surface tension is:
      A) N/m²
      B) N/m
      C) N·m
      D) Pascal
      Answer: B

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  🧲 Section 19: Electrostatics MCQs (continued)

  46. The electric potential at a distance r from a point charge q is:
      A) $\frac{q}{4 \pi \epsilon_0 r^2}$
      B) $\frac{q}{4 \pi \epsilon_0 r}$
      C) $\frac{q r}{4 \pi \epsilon_0}$
      D) $\frac{q}{r}$
      Answer: B

  47. The unit of electric field is:
      A) Volt
      B) Volt/meter
      C) Coulomb
      D) Newton
      Answer: B

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  ⚡ Section 20: Current Electricity MCQs

  48. The drift velocity of electrons in a conductor is:
      A) Very high
      B) Very low
      C) Equal to the speed of light
      D) Equal to thermal velocity
      Answer: B

  49. The resistivity of a conductor increases with:
      A) Increase in temperature
      B) Decrease in temperature
      C) No change in temperature
      D) None of these
      Answer: A

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  ⚙️ Section 21: Work, Energy and Power MCQs

  50. Work done by a conservative force depends on:
      A) Path taken
      B) Initial and final positions only
      C) Speed of the object
      D) Time taken
      Answer: B

  51. The kinetic energy of a body is given by:
      A) $\frac{1}{2}mv$
      B) $\frac{1}{2}mv^2$
      C) $mv^2$
      D) $mv$
      Answer: B

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  🌡️ Section 22: Heat and Thermodynamics MCQs

  52. Heat is energy in transit due to:
      A) Temperature difference
      B) Pressure difference
      C) Volume difference
      D) None of these
      Answer: A

  53. In an isobaric process:
      A) Pressure is constant
      B) Volume is constant
      C) Temperature is constant
      D) Internal energy is constant
      Answer: A

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  🔭 Section 23: Optics MCQs (continued)

  54. The image formed by a concave mirror of an object placed at the focus is:
      A) Real and inverted
      B) At infinity
      C) Virtual and erect
      D) No image
      Answer: B

  55. Total internal reflection occurs when light travels from:
      A) Denser to rarer medium at angle greater than critical angle
      B) Rarer to denser medium at angle greater than critical angle
      C) Denser to rarer medium at any angle
      D) Rarer to denser medium at any angle
      Answer: A

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  🔊 Section 24: Sound and Waves MCQs

  56. The speed of sound in air increases with:
      A) Increase in temperature
      B) Decrease in temperature
      C) Increase in pressure at constant temperature
      D) Decrease in humidity
      Answer: A

  57. The frequency of sound depends on:
      A) The source only
      B) Medium only
      C) Both source and medium
      D) Neither source nor medium
      Answer: A

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  🔬 Section 25: Atomic Physics MCQs

  58. The number of protons in an atom is called:
      A) Atomic number
      B) Mass number
      C) Neutron number
      D) Isotopes
      Answer: A

  59. Isotopes differ in:
      A) Number of protons
      B) Number of neutrons
      C) Number of electrons
      D) Atomic number
      Answer: B

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  🌀 Section 26: Fluid Mechanics MCQs (continued)

  60. Pascal’s principle states that:
      A) Pressure applied on a confined fluid is transmitted undiminished throughout the fluid
      B) Fluid flows from high to low pressure
      C) Pressure decreases with depth
      D) None of these
      Answer: A

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  ⚙️ Section 27: Work, Energy, and Power MCQs (continued)

  61. Power is defined as:
      A) Work done × Time taken
      B) Work done / Time taken
      C) Force × Distance
      D) Force / Time
      Answer: B

  62. Potential energy of a body in a gravitational field near Earth’s surface is given by:
      A) $mg/h$
      B) $mgh$
      C) $\frac{1}{2} m v^2$
      D) $mg^2 h$
      Answer: B

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  🔋 Section 28: Current Electricity MCQs (continued)

  63. The equivalent resistance of two resistors $R_1$ and $R_2$ connected in parallel is:
      A) $R_1 + R_2$
      B) $\frac{R_1 R_2}{R_1 + R_2}$
      C) $R_1 R_2$
      D) $\frac{R_1 + R_2}{R_1 R_2}$
      Answer: B

  64. Kirchhoff’s current law is based on:
      A) Conservation of energy
      B) Conservation of charge
      C) Ohm’s law
      D) Newton’s law
      Answer: B

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  🌈 Section 29: Optics MCQs (continued)

  65. A virtual image is formed by a:
      A) Convex lens when the object is beyond the focus
      B) Concave lens always
      C) Convex mirror always
      D) Both B and C
      Answer: D

  66. The phenomenon of splitting of light into its component colors is called:
      A) Dispersion
      B) Diffraction
      C) Polarization
      D) Interference
      Answer: A

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  🧲 Section 30: Magnetism MCQs (continued)

  67. The magnetic field inside a long solenoid carrying current I is:
      A) $\frac{\mu_0 I}{2\pi r}$
      B) $\mu_0 n I$
      C) $\frac{\mu_0 I}{l}$
      D) Zero
      Answer: B
      (Here, $n$ is the number of turns per unit length)

  68. The torque experienced by a magnetic dipole in a uniform magnetic field is:
      A) $\tau = mB \sin \theta$
      B) $\tau = mB \cos \theta$
      C) $\tau = mB$
      D) Zero
      Answer: A

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  ⚡ Section 31: Electromagnetic Induction MCQs (continued)

  69. Self-inductance of a coil depends on:
      A) Number of turns
      B) Shape and size of the coil
      C) Permeability of the core material
      D) All of the above
      Answer: D

  70. Mutual inductance between two coils depends on:
      A) Distance between coils
      B) Orientation of coils
      C) Number of turns in both coils
      D) All of the above
      Answer: D

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  🔄 Section 32: Rotational Motion MCQs (continued)

  71. The angular momentum of a particle moving in a circle is:
      A) $mvr$
      B) $mv^2 r$
      C) $mvr^2$
      D) Zero
      Answer: A

  72. For rolling motion without slipping, the velocity of the center of mass is related to angular velocity by:
      A) $v = \omega r$
      B) $v = 2 \omega r$
      C) $v = \frac{\omega}{r}$
      D) None of these
      Answer: A

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  🌡️ Section 33: Thermodynamics MCQs (continued)

  73. The efficiency of a Carnot engine depends on:
      A) Temperature of the hot reservoir only
      B) Temperature of the cold reservoir only
      C) Temperatures of both hot and cold reservoirs
      D) Pressure of the working substance
      Answer: C

  74. The internal energy of an ideal gas depends only on:
      A) Pressure
      B) Volume
      C) Temperature
      D) Number of moles
      Answer: C

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  ⚙️ Section 34: Work and Energy MCQs (continued)

  75. Power is measured in:
      A) Joules
      B) Watts
      C) Newtons
      D) Calories
      Answer: B

  76. When work done by friction is negative, the mechanical energy:
      A) Increases
      B) Decreases
      C) Remains constant
      D) Becomes zero
      Answer: B

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  🌀 Section 35: Fluid Mechanics MCQs (continued)

  77. Viscosity of a fluid decreases with:
      A) Increase in temperature
      B) Decrease in temperature
      C) Increase in pressure
      D) Decrease in pressure
      Answer: A

  78. Streamline flow is also called:
      A) Turbulent flow
      B) Laminar flow
      C) Compressible flow
      D) None of these
      Answer: B

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  🔊 Section 36: Sound MCQs (continued)

  79. The frequency of a sound wave is determined by the:
      A) Source of the sound
      B) Medium through which sound travels
      C) Amplitude of the wave
      D) Intensity of the sound
      Answer: A

  80. The Doppler effect occurs due to:
      A) Change in amplitude of the wave
      B) Change in frequency due to relative motion between source and observer
      C) Change in wavelength only
      D) Change in speed of sound
      Answer: B

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  🔬 Section 37: Atomic and Nuclear Physics MCQs

  81. Alpha particles consist of:
      A) Electrons
      B) Protons
      C) Helium nuclei
      D) Neutrons
      Answer: C

  82. The half-life of a radioactive substance is:
      A) The time required for the substance to decay completely
      B) The time required for half the atoms in a sample to decay
      C) The time taken for decay of a quarter of the atoms
      D) None of these
      Answer: B

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  🌈 Section 38: Optics MCQs (continued)

  83. Polarization of light is possible only for:
      A) Longitudinal waves
      B) Transverse waves
      C) Both longitudinal and transverse waves
      D) Sound waves
      Answer: B

  84. The critical angle for total internal reflection depends on:
      A) Refractive indices of the two media
      B) Wavelength of light
      C) Frequency of light
      D) Amplitude of light wave
      Answer: A

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  🔭 Section 39: Ray and Wave Optics MCQs

  85. The focal length of a convex lens is 20 cm. Its power is:
      A) 5 D
      B) 10 D
      C) -5 D
      D) -10 D
      Answer: A
      (Power, $P = \frac{100}{f(\text{cm})}$)

  86. Interference and diffraction are examples of:
      A) Particle nature of light
      B) Wave nature of light
      C) Photoelectric effect
      D) Polarization
      Answer: B

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  ⚙️ Section 40: Work and Energy MCQs (continued)

  87. A conservative force is one for which:
      A) Work done depends on the path taken
      B) Work done is zero in any closed path
      C) Work done depends on velocity
      D) Work done is always negative
      Answer: B

  88. The unit of work done is:
      A) Joule
      B) Watt
      C) Newton
      D) Pascal
      Answer: A

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  🌡️ Section 41: Thermodynamics MCQs (continued)

  89. The first law of thermodynamics is a statement of:
      A) Conservation of energy
      B) Conservation of mass
      C) Increase of entropy
      D) Heat flow direction
      Answer: A

  90. In an isothermal process, the change in internal energy is:
      A) Positive
      B) Negative
      C) Zero
      D) Depends on temperature
      Answer: C

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  🌀 Section 42: Rotational Motion MCQs (continued)

  91. Moment of inertia of a solid sphere about an axis through its center is:
      A) $\frac{2}{5} M R^2$
      B) $\frac{1}{2} M R^2$
      C) $\frac{2}{3} M R^2$
      D) $M R^2$
      Answer: A

  92. The angular velocity $\omega$ is related to linear velocity $v$ by:
      A) $\omega = \frac{v}{r}$
      B) $\omega = v r$
      C) $\omega = \frac{r}{v}$
      D) $\omega = v^2 r$
      Answer: A

  ---

  🔋 Section 43: Current Electricity MCQs (continued)

  93. Ohm’s law states that:
      A) Voltage is directly proportional to current, provided temperature is constant
      B) Voltage is inversely proportional to current
      C) Resistance increases with voltage
      D) Current is independent of voltage
      Answer: A

  94. The unit of resistivity is:
      A) $\Omega \cdot m$
      B) $\Omega/m$
      C) $\Omega \cdot m^2$
      D) $\Omega/m^2$
      Answer: A

  ---

  🌈 Section 44: Wave Optics MCQs (continued)

  95. The fringe width in Young’s double-slit experiment is given by:
      A) $\frac{\lambda D}{d}$
      B) $\frac{d}{\lambda D}$
      C) $\lambda d$
      D) $\frac{D}{\lambda d}$
      Answer: A
      (Where $\lambda$ = wavelength, $D$ = distance to screen, $d$ = slit separation)

  96. The number of maxima observed in interference depends on:
      A) Wavelength only
      B) Distance between slits only
      C) Both wavelength and slit separation
      D) None of the above
      Answer: C

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  🧲 Section 45: Magnetism MCQs (continued)

  97. The SI unit of magnetic flux is:
      A) Tesla
      B) Weber
      C) Gauss
      D) Henry
      Answer: B

  98. The force between two parallel current-carrying conductors is:
      A) Attractive if currents flow in opposite directions
      B) Repulsive if currents flow in same direction
      C) Attractive if currents flow in same direction
      D) Zero
      Answer: C

  ---

  ⚡ Section 46: Electromagnetic Induction MCQs (continued)

  99. According to Faraday’s law, induced emf is proportional to:
      A) Rate of change of magnetic flux
      B) Magnetic flux
      C) Magnetic field strength
      D) Current
      Answer: A

  100. Lenz’s law states that the direction of induced current is such that it:
       A) Opposes the change causing it
       B) Supports the change causing it
       C) Is always clockwise
       D) Is always anticlockwise
       Answer: A

  ---

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  🚀 Bonus Advanced JEE Physics MCQs

  101. In a hydrogen atom, the energy difference between two levels $n=3$ and $n=2$ corresponds to the emission of light with wavelength $\lambda$. Which one of the following is true about $\lambda$?
       A) $\lambda$ lies in the ultraviolet region
       B) $\lambda$ lies in the visible region
       C) $\lambda$ lies in the infrared region
       D) $\lambda$ lies in the X-ray region
       Answer: B

  102. A particle moves under a force $\vec{F} = k \vec{r}$, where $k$ is a positive constant and $\vec{r}$ is the displacement vector. The motion of the particle is:
       A) Uniform circular motion
       B) Simple harmonic motion about origin
       C) Motion with constant velocity
       D) Projectile motion
       Answer: B

  103. The radius of gyration $k$ of a body is related to moment of inertia $I$ and mass $M$ as:
       A) $k = \sqrt{\frac{I}{M}}$
       B) $k = \frac{I}{M}$
       C) $k = I M$
       D) $k = \frac{M}{I}$
       Answer: A

  104. In a photoelectric effect experiment, the stopping potential $V_0$ is 2 V when light of wavelength 400 nm is incident. If the wavelength is changed to 300 nm, the stopping potential becomes:
       A) Less than 2 V
       B) Equal to 2 V
       C) More than 2 V
       D) Zero
       Answer: C

  105. For an adiabatic process involving an ideal gas, the relation between temperature and volume is:
       A) $TV^{\gamma-1} = \text{constant}$
       B) $TV^{\gamma} = \text{constant}$
       C) $T = \text{constant}$
       D) $V = \text{constant}$
       Answer: A

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  🚀 Advanced JEE Physics MCQs – Set 2

  106. The electric field inside a uniformly charged solid sphere (charge $Q$, radius $R$) at a distance $r < R$ from the center is:
       A) Zero
       B) $\frac{1}{4\pi\epsilon_0} \frac{Q}{r^2}$
       C) $\frac{1}{4\pi\epsilon_0} \frac{Q r}{R^3}$
       D) $\frac{1}{4\pi\epsilon_0} \frac{Q R}{r^3}$
       Answer: C

  107. The de Broglie wavelength associated with an electron accelerated through a potential difference $V$ is proportional to:
       A) $\sqrt{V}$
       B) $\frac{1}{\sqrt{V}}$
       C) $V$
       D) $\frac{1}{V}$
       Answer: B

  108. The torque acting on a current-carrying rectangular loop in a uniform magnetic field is given by:
       A) $\vec{\tau} = I \vec{A} \times \vec{B}$
       B) $\vec{\tau} = I \vec{L} \times \vec{B}$
       C) $\vec{\tau} = I \vec{B} \times \vec{A}$
       D) $\vec{\tau} = I \vec{B} \times \vec{L}$
       Answer: A

  109. Which of the following is NOT conserved in an inelastic collision?
       A) Momentum
       B) Kinetic energy
       C) Total energy
       D) Angular momentum
       Answer: B

  110. A photon of frequency $f$ strikes a metal surface with work function $\phi$. The maximum kinetic energy of emitted photoelectron is:
       A) $hf + \phi$
       B) $hf - \phi$
       C) $\phi - hf$
       D) $hf \times \phi$
       Answer: B

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  🚀 Advanced JEE Physics MCQs – Set 3

  111. A block of mass $m$ slides down a frictionless incline of angle $\theta$. The acceleration of the block is:
       A) $g \cos \theta$
       B) $g \sin \theta$
       C) $g \tan \theta$
       D) $g$
       Answer: B

  112. In the Bohr model of the hydrogen atom, the radius of the nth orbit is proportional to:
       A) $n$
       B) $n^2$
       C) $\frac{1}{n}$
       D) $\frac{1}{n^2}$
       Answer: B

  113. The de Broglie wavelength of a particle is 0.1 nm. Its momentum is:
       A) $6.63 \times 10^{-25} \, \text{kg m/s}$
       B) $6.63 \times 10^{-24} \, \text{kg m/s}$
       C) $6.63 \times 10^{-34} \, \text{kg m/s}$
       D) $6.63 \times 10^{-19} \, \text{kg m/s}$
       Answer: A
       (Use $\lambda = \frac{h}{p}$)

  114. The capacitance of a parallel plate capacitor is directly proportional to:
       A) Plate area and inversely proportional to plate separation
       B) Plate separation and inversely proportional to plate area
       C) Square of plate separation
       D) Square root of plate area
       Answer: A

  115. In an RLC series circuit, the impedance is minimum when:
       A) $X_L > X_C$
       B) $X_L < X_C$
       C) $X_L = X_C$
       D) $R = 0$
       Answer: C

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  🚀 Advanced JEE Physics MCQs – Set 4

  116. The half-life of a radioactive substance is 10 hours. The time taken for the substance to decay to one-eighth of its initial amount is:
       A) 10 hours
       B) 15 hours
       C) 20 hours
       D) 30 hours
       Answer: D
       (Since one-eighth means $\frac{1}{2^3}$, so $3 \times 10 = 30$ hours)

  117. In a double-slit experiment, if the wavelength of light is doubled, the fringe width:
       A) Doubles
       B) Halves
       C) Remains the same
       D) Quadruples
       Answer: A

  118. The velocity of light in a medium is $v$. The refractive index $n$ of the medium is:
       A) $\frac{c}{v}$
       B) $\frac{v}{c}$
       C) $c v$
       D) $\frac{1}{c v}$
       Answer: A

  119. The energy stored in a capacitor of capacitance $C$ charged to a potential $V$ is:
       A) $\frac{1}{2} CV^2$
       B) $CV^2$
       C) $\frac{1}{2} C^2 V$
       D) $CV$
       Answer: A

  120. The escape velocity from Earth depends on:
       A) Mass of Earth only
       B) Radius of Earth only
       C) Both mass and radius of Earth
       D) Neither mass nor radius of Earth
       Answer: C

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  🚀 Advanced JEE Physics MCQs – Set 5

  121. The moment of inertia of a thin rod of length $L$ and mass $M$ about an axis through its center and perpendicular to the rod is:
       A) $\frac{1}{12} M L^2$
       B) $\frac{1}{3} M L^2$
       C) $\frac{1}{2} M L^2$
       D) $M L^2$
       Answer: A

  122. The angular frequency $\omega$ of a simple pendulum depends on:
       A) Length of the pendulum and acceleration due to gravity
       B) Mass of the bob only
       C) Amplitude of oscillations
       D) Both mass and length of pendulum
       Answer: A

  123. The unit of Planck’s constant $h$ is:
       A) $\text{Joule} \times \text{second}$
       B) $\text{Joule} / \text{second}$
       C) $\text{Newton} \times \text{meter}$
       D) $\text{Newton} / \text{meter}$
       Answer: A

  124. The velocity of sound is maximum in:
       A) Solids
       B) Liquids
       C) Gases
       D) Vacuum
       Answer: A

  125. The capacitance of a spherical capacitor depends on:
       A) Radii of inner and outer spheres only
       B) Charge stored on the spheres
       C) Potential difference between the spheres
       D) Dielectric constant of the medium only
       Answer: A

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  🚀 Advanced JEE Physics MCQs – Set 6

  126. The maximum kinetic energy of electrons emitted in a photoelectric experiment depends on:
       A) Intensity of incident light
       B) Frequency of incident light
       C) Both intensity and frequency
       D) Work function only
       Answer: B

  127. In an adiabatic process for an ideal gas, the relation between pressure $P$ and volume $V$ is:
       A) $PV = \text{constant}$
       B) $PV^\gamma = \text{constant}$
       C) $P^2 V = \text{constant}$
       D) $P V^{1/\gamma} = \text{constant}$
       Answer: B

  128. The SI unit of magnetic moment is:
       A) Joule per Tesla
       B) Ampere-meter$^2$
       C) Weber per meter
       D) Tesla per meter
       Answer: B

  129. The angle of deviation of light in a prism depends on:
       A) Wavelength of light and angle of incidence
       B) Refractive index and wavelength of light
       C) Angle of prism and refractive index
       D) All of the above
       Answer: D

  130. The emf induced in a coil rotating in a magnetic field varies with time as:
       A) $\sin \omega t$
       B) $\cos \omega t$
       C) $\tan \omega t$
       D) Both A and B depending on reference
       Answer: D

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  🚀 Advanced JEE Physics MCQs – Set 7

  131. Two capacitors of capacitances $C_1$ and $C_2$ are connected in series. The equivalent capacitance $C$ is given by:
       A) $C = C_1 + C_2$
       B) $C = \frac{C_1 C_2}{C_1 + C_2}$
       C) $C = \frac{C_1 + C_2}{C_1 C_2}$
       D) $C = C_1 C_2$
       Answer: B

  132. The angular momentum of an electron in the nth orbit in the Bohr model is:
       A) $n \hbar$
       B) $n^2 \hbar$
       C) $\frac{\hbar}{n}$
       D) $\hbar$
       Answer: A

  133. The gravitational potential energy of a satellite in a circular orbit of radius $r$ around Earth of mass $M$ is:
       A) $- \frac{GMm}{r}$
       B) $- \frac{GMm}{2r}$
       C) $\frac{GMm}{r}$
       D) Zero
       Answer: A

  134. The restoring force in simple harmonic motion is proportional to:
       A) Displacement squared
       B) Displacement
       C) Velocity
       D) Acceleration
       Answer: B

  135. The resistance of a wire depends on:
       A) Length and cross-sectional area
       B) Length, cross-sectional area, and temperature
       C) Cross-sectional area only
       D) Temperature only
       Answer: B

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  🚀 Advanced JEE Physics MCQs – Set 8

  136. The total energy of a particle in a one-dimensional infinite potential well of width $L$ is proportional to:
       A) $n$
       B) $n^2$
       C) $\frac{1}{n}$
       D) $\frac{1}{n^2}$
       Answer: B

  137. The drift velocity of electrons in a conductor is directly proportional to:
       A) Electric field and number density of electrons
       B) Electric field only
       C) Number density of electrons only
       D) Cross-sectional area of conductor
       Answer: B

  138. In the case of transverse waves, the particles of the medium vibrate:
       A) Parallel to the direction of wave propagation
       B) Perpendicular to the direction of wave propagation
       C) Randomly
       D) In circles
       Answer: B

  139. In a galvanometer, increasing the number of turns of coil will:
       A) Increase sensitivity
       B) Decrease sensitivity
       C) Not affect sensitivity
       D) Increase resistance but not sensitivity
       Answer: A

  140. The magnetic field at the center of a circular current loop of radius $R$ carrying current $I$ is:
       A) $\frac{\mu_0 I}{2R}$
       B) $\frac{\mu_0 I}{2 \pi R}$
       C) $\frac{\mu_0 I R}{2}$
       D) $\frac{\mu_0 I}{4 \pi R^2}$
       Answer: A

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  🚀 Advanced JEE Physics MCQs – Set 9

  141. The time period of a simple pendulum is independent of:
       A) Length of the pendulum
       B) Amplitude (for small angles)
       C) Mass of the bob
       D) Acceleration due to gravity
       Answer: C

  142. The dimensional formula of electric charge is:
       A) $[I T]$
       B) $[I T^2]$
       C) $[M L^2 T^{-3} I^{-1}]$
       D) $[I]$
       Answer: A

  143. The unit of electric field is:
       A) Volt/meter
       B) Newton/Coulomb
       C) Both A and B
       D) Joule/Coulomb
       Answer: C

  144. In an ideal transformer, the power output is:
       A) Equal to power input
       B) Greater than power input
       C) Less than power input
       D) Zero
       Answer: A

  145. The frequency of a particle executing simple harmonic motion is:
       A) Inversely proportional to amplitude
       B) Independent of amplitude
       C) Proportional to amplitude
       D) Depends on initial phase
       Answer: B

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  🚀 Advanced JEE Physics MCQs – Set 10

  146. The capacitance of a parallel plate capacitor filled with a dielectric of dielectric constant $K$ is:
       A) $\frac{\varepsilon_0 A}{d}$
       B) $K \frac{\varepsilon_0 A}{d}$
       C) $\frac{1}{K} \frac{\varepsilon_0 A}{d}$
       D) $\varepsilon_0 A d$
       Answer: B

  147. The principle of conservation of linear momentum is valid when:
       A) No external force acts on the system
       B) No internal forces act on the system
       C) Both external and internal forces are absent
       D) System is in equilibrium
       Answer: A

  148. The velocity of sound in air increases with:
       A) Increase in temperature
       B) Decrease in temperature
       C) Increase in humidity
       D) Both A and C
       Answer: D

  149. The SI unit of magnetic flux is:
       A) Tesla
       B) Weber
       C) Henry
       D) Ampere
       Answer: B

  150. The work done by a conservative force in moving a particle around a closed path is:
       A) Zero
       B) Positive
       C) Negative
       D) Depends on path
       Answer: A

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