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Physics MCQs

Strengthen your grasp of core and applied physics concepts with our expertly compiled Physics MCQs. These multiple-choice questions cover kinematics, laws of motion, work & energy, gravitation, optics, waves, sound, electromagnetism, nuclear physics, thermodynamics, modern physics, and SI units. Ideal for science students, educators, and candidates preparing for job tests and entrance exams by PPSC, FPSC, CSS, NTS, SPSC, BPSC, KPSC, ETEA, AJKPSC, and other testing agencies. These MCQs are especially useful for lecturer posts, science teacher positions, and general science portions in competitive exams.

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1 Physics MCQs

Gamma rays have the greatest similarity with which of the following?

  • Alpha rays
  • X-rays
  • Beta rays
  • Ultraviolet (UV) rays
0 Comments
Correct Answer: B. X-rays

Explanation:

The correct answer is X-rays.


Gamma rays are a type of electromagnetic ... Read More Details

2 Physics MCQs

The weakest of all fundamental forces is the:

  • Gravitational force
  • Electrostatic force
  • Magnetic force
  • Nuclear force
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Correct Answer: A. Gravitational force

Explanation:

The correct answer is Gravitational force.


In physics, four fundamental forces govern ... Read More Details

3 Physics MCQs

The velocity of sound in air does not change with the change of what?

  • Temperature of air
  • Pressure of air
  • Moisture content in air
  • Wind in the direction of propagation of sound
0 Comments
Correct Answer: B. Pressure of air

Explanation:

The correct answer is Pressure of air.


The velocity of sound in ... Read More Details

4 Physics MCQs

What is the freezing point of water on the Fahrenheit scale?

  • 0 °F
  • 212 °F
  • 32 °F
  • -32 °F
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Correct Answer: C. 32 °F

Explanation:

The correct answer is 32 °F. On the Fahrenheit scale, the freezing point ... Read More Details

5 Physics MCQs

According to the theory of relativity, which of the following always remains constant?

  • Length of an object
  • Time
  • Space
  • Velocity of light
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Correct Answer: D. Velocity of light

Explanation:

The correct answer is Velocity of light. According to Albert Einstein’s theory of ... Read More Details

6 Physics MCQs

An atomic power plant works on the principle of what?

  • Fission
  • Fusion
  • Thermal combustion
  • Combined effect of all the above three
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Correct Answer: A. Fission

Explanation:

The correct answer is Fission. An atomic power plant, also known as a ... Read More Details

7 Physics MCQs

Which of the following is an example of a cantilever beam?

  • Diving board
  • Bridge
  • See-saw
  • Common balance
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Correct Answer: B. Bridge

Explanation:

The correct answer is Bridge. A cantilever beam is a beam that is ... Read More Details

8 Physics MCQs

Which electronic device is used as a switch or amplifier?

  • Diode
  • Resistor
  • Transistor
  • Transformer
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Correct Answer: C. Transistor

Explanation:

The correct answer is Transistor. A transistor is a fundamental electronic device that ... Read More Details

9 Physics MCQs

Which of the following principles is used to produce low temperatures?

  • Superconductivity
  • Joule-Kelvin effect
  • Thermo-electric effect
  • Adiabatic demagnetization
0 Comments
Correct Answer: D. Adiabatic demagnetization

Explanation:


The correct answer is Adiabatic demagnetization. This principle is used in ... Read More Details

10 Physics MCQs

Heat transfer horizontally within the atmosphere is called what?

  • Conduction
  • Convection
  • Absorption
  • Advection
0 Comments
Correct Answer: D. Advection

Explanation:

The correct answer is Advection. In meteorology and environmental physics, advection refers to ... Read More Details

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