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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

______ is the work done in moving a unit charge between two points in an electric circuit.

  • Potential difference
  • Current
  • Power
  • Resistance
0 Comments
Correct Answer: A. Potential difference

Explanation:

In an electric circuit, the potential difference (voltage) is defined as the amount ... Read More Details

2 Physics MCQs

The Tyndall effect is related to the ______ of light.

  • Reflection
  • Dispersion
  • Scattering
  • Refraction
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Correct Answer: C. Scattering

Explanation:

The correct answer is Scattering. The Tyndall effect refers to the scattering of ... Read More Details

3 Physics MCQs

Transistors do not need a warm-up period because they have no ?

  • Plate
  • Grid
  • Filament
  • None of the above
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Correct Answer: C. Filament

Explanation:

Transistors do not need a warm-up period because they have no filament. To ... Read More Details

4 Physics MCQs

Which instrument is used for viewing or observing the Sun?

  • Stroboscope
  • Heliograph
  • Solograph
  • None of these
0 Comments
Correct Answer: B. Heliograph

Explanation:

A heliograph is an instrument primarily used for observing, recording, or communicating using ... Read More Details

5 Physics MCQs

Which of the following is used in water purification?

  • Osmosis
  • Reverse Osmosis
  • Cytolysis
  • Turgor PressureReverse Osmosis (RO) is a widely used and highly efficient process for water purification. It works on the principle of osmosis but in the opposite direction. In natural osmosis, water moves from a region of lower solute concentration to a
0 Comments
Correct Answer: B. Reverse Osmosis

Explanation:

Reverse Osmosis (RO) is a widely used and highly efficient process for water ... Read More Details

6 Physics MCQs

Which type of material has atoms that can be split?

  • Fusionable
  • Fissionable
  • Combustible
  • None of these
0 Comments
Correct Answer: B. Fissionable

Explanation:

Materials whose atoms can be split are called fissionable materials. This concept is ... Read More Details

7 Physics MCQs

Which type of waves are used in sonography?

  • Ultrasonic Waves
  • Electromagnetic Waves
  • Fundamentals of Waves
  • Transverse Waves
0 Comments
Correct Answer: A. Ultrasonic Waves

Explanation:

Sonography, also known as ultrasound imaging, is a medical diagnostic technique used to ... Read More Details

8 Physics MCQs

Which instrument is used to measure the power in an electric circuit?

  • Wavemeter
  • Viscometer
  • Wattmeter
  • None of these
0 Comments
Correct Answer: C. Wattmeter

Explanation:

The instrument used to measure power in an electric circuit is called a ... Read More Details

9 Physics MCQs

When sound waves travel from air to water, which of the following quantities remains unchanged?

  • Speed
  • Frequency
  • Intensity
  • Wavelength
0 Comments
Correct Answer: B. Frequency

Explanation:

When sound waves travel from air to water, the frequency of the wave ... Read More Details

10 Physics MCQs

Sound travels through air at an average speed of nearly ________?

  • 1257 miles per hour
  • 755 miles per hour
  • 330 miles per hour
  • None of these
0 Comments
Correct Answer: B. 755 miles per hour

Explanation:

Sound is a mechanical wave that travels by the vibration of particles within ... Read More Details

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