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Physics MCQs

125 Questions
Subject Preparation Guide

Prepare Physics with confidence

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

MechanicsWavesElectricityModern Physics
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1
Easy nts Uploaded: 17 Aug 2026

The time period of a satellite in a geostationary orbit is:

  • A 1 hour
  • B 48 hours
  • C 12 hours
  • D 24 hours
2
Easy ppsc Uploaded: 06 Aug 2026

Which law describes the relationship between the pressure, volume, and temperature of an ideal gas?

  • A Boyle's Law
  • B Ideal Gas Law
  • C Charles's Law
  • D Dalton's Law
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Which type of radioactive decay involves the emission of a helium nucleus?

  • A Beta decay
  • B Gamma decay
  • C Neutron emission
  • D Alpha decay
4
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Which quantity is measured in Hertz?

  • A Wavelength
  • B Amplitude
  • C Period
  • D Frequency
5
Easy nts Uploaded: 17 Aug 2026

The right-hand rule is used to determine the direction of:

  • A Sound waves
  • B Gravitational field
  • C Magnetic field around a current-carrying conductor
  • D Electric field
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Easy nts Uploaded: 06 Aug 2026

Which instrument is used to measure atmospheric pressure?

  • A Hygrometer
  • B Thermometer
  • C Anemometer
  • D Barometer
7
Easy fpsc Uploaded: 17 Aug 2026

According to Kepler's third law, the square of the orbital period of a planet is proportional to:

  • A Its mass
  • B The cube of its distance from the Sun
  • C Its velocity
  • D The square of its distance from the Sun
8
Easy nts Uploaded: 06 Aug 2026

Which of these waves cannot travel through a vacuum?

  • A Sound waves
  • B Radio waves
  • C X-rays
  • D Light waves
9
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Which type of energy transformation occurs in a solar panel?

  • A Chemical to electrical
  • B Thermal to mechanical
  • C Light to electrical
  • D Electrical to light
10
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The photoelectric effect was explained by:

  • A Newton
  • B Faraday
  • C Einstein
  • D Maxwell
11
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Which force keeps planets in orbit around the sun?

  • A Magnetic force
  • B Electrostatic force
  • C Gravitational force
  • D Nuclear force
12
Easy pms Uploaded: 17 Aug 2026

The image formed by a plane mirror is:

  • A Real and erect
  • B Virtual and inverted
  • C Real and inverted
  • D Virtual and erect
13
Easy fpsc ppsc nts Uploaded: 13 Jul 2026

Which particle in an atom has no electric charge?

  • A Proton
  • B Electron
  • C Neutron
  • D Photon
14
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The device that converts mechanical energy into electrical energy is called a:

  • A Motor
  • B Transformer
  • C Generator
  • D Rectifier
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Which scientist is credited with developing the special theory of relativity?

  • A Isaac Newton
  • B Albert Einstein
  • C Niels Bohr
  • D Max Planck
16
Easy fpsc ppsc nts Uploaded: 13 Jul 2026

Which property of a body is measured by the amount of matter it contains?

  • A Weight
  • B Density
  • C Mass
  • D Volume
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What is the term for the change in frequency of a wave due to relative motion between source and observer?

  • A Doppler effect
  • B Reflection effect
  • C Interference effect
  • D Resonance effect
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Easy pms Uploaded: 17 Aug 2026

The human eye lens is:

  • A Concave
  • B Convex
  • C Cylindrical
  • D Plane
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Easy nts Uploaded: 17 Aug 2026

Which law states that the total entropy of an isolated system can never decrease?

  • A Second law of thermodynamics
  • B Zeroth law of thermodynamics
  • C First law of thermodynamics
  • D Third law of thermodynamics
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Easy fpsc Uploaded: 17 Aug 2026

The SI unit of magnetic flux density is:

  • A Tesla
  • B Weber
  • C Farad
  • D Henry