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Physics MCQs

116 Questions Subject Test
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Practice core concepts of measurement, motion, force, energy, waves, electricity, magnetism and modern physics.

MechanicsWavesElectricityModern Physics
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61
Medium fpsc ppsc nts Uploaded: 13 Jul 2026

What is the terminal velocity of a falling object?

  • A Minimum speed during fall
  • B Speed at which object first starts moving
  • C Speed independent of mass
  • D Maximum speed reached when weight equals air resistance
62
Hard nts Uploaded: 06 Aug 2026

What is the term for the distance traveled by an object per unit time?

  • A Acceleration
  • B Speed
  • C Velocity
  • D Displacement
63
Easy nts Uploaded: 17 Aug 2026

The commercial unit of electrical energy is the:

  • A Kilowatt-hour
  • B Ampere-hour
  • C Watt
  • D Joule
64
Easy nts Uploaded: 17 Aug 2026

Which principle explains why a hydraulic lift can multiply force?

  • A Pascal's law
  • B Bernoulli's principle
  • C Newton's third law
  • D Archimedes' principle
65
Easy nts Uploaded: 06 Aug 2026

What is the SI unit of electric resistance?

  • A Volt
  • B Ampere
  • C Farad
  • D Ohm
66
Medium nts Uploaded: 06 Aug 2026

What is the term for the amount of matter contained in an object?

  • A Weight
  • B Volume
  • C Density
  • D Mass
67
Easy nts Uploaded: 17 Aug 2026

A convex lens is also known as a:

  • A Converging lens
  • B Cylindrical lens
  • C Plane lens
  • D Diverging lens
68
Medium nts Uploaded: 17 Aug 2026

The neutron was discovered by:

  • A Ernest Rutherford
  • B J.J. Thomson
  • C Marie Curie
  • D James Chadwick
69
Easy fpsc ppsc nts Uploaded: 13 Jul 2026

What is the unit of electrical resistance?

  • A Volt
  • B Ampere
  • C Watt
  • D Ohm
70
Easy nts Uploaded: 06 Aug 2026

Which type of current periodically reverses direction?

  • A Alternating current
  • B Direct current
  • C Static current
  • D Induced current
71
Medium fpsc ppsc nts Uploaded: 13 Jul 2026

What is the formula for kinetic energy?

  • A mv
  • B mgh
  • C half mv squared
  • D Fxd
72
Medium nts Uploaded: 17 Aug 2026

The value of the universal gravitational constant G is approximately:

  • A 3 x 10^8 m/s
  • B 1.6 x 10^-19 C
  • C 6.67 x 10^-11 N m^2/kg^2
  • D 9.8 m/s^2
73
Medium nts Uploaded: 06 Aug 2026

Which scientist discovered the electron?

  • A Ernest Rutherford
  • B Niels Bohr
  • C James Chadwick
  • D J.J. Thomson
74
Medium nts Uploaded: 06 Aug 2026

Which type of energy is transferred through electromagnetic waves without requiring a medium?

  • A Mechanical energy
  • B Chemical energy
  • C Nuclear energy
  • D Radiant energy
75
Easy nts Uploaded: 17 Aug 2026

Which lens is used to correct hyperopia (farsightedness)?

  • A Convex lens
  • B Concave lens
  • C Cylindrical lens
  • D Plane lens
76
Hard nts Uploaded: 17 Aug 2026

Which thermometric scale has no negative values?

  • A Fahrenheit
  • B Kelvin
  • C Celsius
  • D Both Celsius and Fahrenheit
77
Medium fpsc ppsc nts Uploaded: 13 Jul 2026

What is meant by the term inertia in physics?

  • A The tendency of an object to resist changes in its state of motion
  • B The tendency of an object to accelerate
  • C The force of gravity on an object
  • D The energy stored in a moving object
78
Medium fpsc ppsc nts Uploaded: 13 Jul 2026

Which device converts electrical energy into mechanical energy?

  • A Generator
  • B Transformer
  • C Electric motor
  • D Capacitor
79
Medium nts Uploaded: 17 Aug 2026

Which of the following best defines heat?

  • A Energy stored in a body
  • B Total kinetic energy of molecules
  • C Force between molecules
  • D Energy transferred due to temperature difference
80
Medium fpsc ppsc nts Uploaded: 13 Jul 2026

Which type of wave does not require a medium to travel?

  • A Sound wave
  • B Water wave
  • C Seismic wave
  • D Electromagnetic wave
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