Join WhatsApp ChannelDaily MCQs & Exam Updates

Physics MCQs

99 Questions
Subject Preparation Guide

Prepare Physics with confidence

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

MechanicsWavesElectricityModern Physics
Recommended for board classes, entry tests and science-related recruitment examinations.
Physics preparation illustration
21
Medium css fpsc ppsc Uploaded: 13 Jul 2026

Which phenomenon occurs when light bends around the edges of an obstacle or aperture?

  • A Refraction
  • B Reflection
  • C Diffraction
  • D Dispersion
22
Medium css fpsc ppsc Uploaded: 13 Jul 2026

Which type of radiation has the highest penetrating power?

  • A Alpha radiation
  • B Gamma radiation
  • C Beta radiation
  • D Neutron radiation
23
Medium fpsc Uploaded: 06 Aug 2026

What is the term for the maximum displacement of a wave from its rest position?

  • A Wavelength
  • B Frequency
  • C Amplitude
  • D Period
24
Medium fpsc Uploaded: 17 Aug 2026

Which law states that induced EMF is proportional to the rate of change of magnetic flux?

  • A Coulomb's law
  • B Faraday's law
  • C Lenz's law
  • D Ohm's law
25
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
26
Medium css fpsc ppsc Uploaded: 13 Jul 2026

Which formula correctly represents the relationship between frequency wavelength and speed of a wave?

  • A v equals f divided by wavelength
  • B v equals wavelength divided by f
  • C v equals f times wavelength
  • D f equals v times wavelength
27
Medium fpsc Uploaded: 06 Aug 2026

Which law states that an object at rest stays at rest unless acted upon by an external force?

  • A Newton's Second Law
  • B Newton's Third Law
  • C Law of Inertia and Momentum
  • D Newton's First Law
28
Medium fpsc Uploaded: 17 Aug 2026

Einstein's theory of relativity introduced the concept of:

  • A Zero gravity in space
  • B Relative space and time
  • C Absolute space and time
  • D Fixed speed of all objects
29
Medium css fpsc ppsc Uploaded: 13 Jul 2026

Which type of nuclear reaction splits a heavy nucleus into smaller nuclei releasing large amounts of energy?

  • A Nuclear fusion
  • B Radioactive decay
  • C Nuclear fission
  • D Beta decay
30
Medium fpsc Uploaded: 17 Aug 2026

The process by which a heavy nucleus splits into two lighter nuclei is called:

  • A Radioactive decay
  • B Nuclear fission
  • C Nuclear fusion
  • D Beta decay
31
Medium css fpsc ppsc Uploaded: 13 Jul 2026

Which law of thermodynamics states that energy cannot be created or destroyed only converted from one form to another?

  • A Zeroth Law
  • B Second Law
  • C Third Law
  • D First Law
32
Medium css fpsc ppsc Uploaded: 13 Jul 2026

Which model of the atom describes electrons orbiting the nucleus in specific energy levels?

  • A Thomson's Plum Pudding model
  • B Rutherford's model
  • C Dalton's model
  • D Bohr's atomic model
33
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
34
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
35
Medium fpsc Uploaded: 06 Aug 2026

What is the term for the study of motion without considering the forces causing it?

  • A Kinematics
  • B Dynamics
  • C Statics
  • D Mechanics
36
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
37
Medium fpsc ppsc nts Uploaded: 05 Aug 2026

Which device converts light energy directly into electrical energy using the photovoltaic effect?

  • A Generator
  • B Transformer
  • C Solar cell
  • D Battery
38
Medium css fpsc ppsc Uploaded: 13 Jul 2026

What is the centripetal force?

  • A Force pushing an object outward in circular motion
  • B Force causing linear acceleration
  • C Force equal to mass times velocity
  • D Force directed toward the centre of circular motion
39
Medium css fpsc ppsc Uploaded: 13 Jul 2026

What is the half-life of a radioactive substance?

  • A Time for the substance to completely decay
  • B Time for the radiation to halve in intensity only
  • C Time for half the nuclei to decay
  • D Time for temperature to reduce by half
40
Medium fpsc Uploaded: 17 Aug 2026

According to Bernoulli's principle, as the speed of a fluid increases, its pressure:

  • A Decreases
  • B Increases
  • C Becomes zero
  • D Remains constant