Physics Gk Questions

Gk Questions on Physics for UPSC, SSC, RPSC, UPPSC, SSC and other competitive examinations.

Physics Gk Questions

1. Who discovered the rules of electromagnetic induction?

a) Michael Faraday

b) Isaac Newton

c) Albert Einstein

d) James Clerk Maxwell

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Answer: a) Michael Faraday

2. What is the rule that states that for every action, there is an equal and opposite reaction?

a) Newton’s First Law

b) Newton’s Second Law

c) Newton’s Third Law

d) Ohm’s Law

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Answer: c) Newton’s Third Law

3. What is the SI unit of electric current?

a) Ohm (Ω)

b) Volt (V)

c) Ampere (A)

d) Watt (W)

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Answer: c) Ampere (A)

4. What is the process by which an electric current flows in only one direction through a conductor?

a) Electromagnetic induction

b) Alternating current

c) Direct current

d) Total internal reflection

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Answer: c) Direct current

5. What is the study of the behavior of matter and energy at the atomic and subatomic scale?

a) Thermodynamics

b) Astrophysics

c) Quantum mechanics

d) Fluid dynamics

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Answer: c) Quantum mechanics

6. Who is known for the famous equation E=mc^2?

a) Michael Faraday

b) Isaac Newton

c) Albert Einstein

d) James Clerk Maxwell

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Answer: c) Albert Einstein

7. Who discovered X-rays?

a) Marie Curie

b) Wilhelm Conrad Roentgen

c) Niels Bohr

d) Max Planck

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Answer: b) Wilhelm Conrad Roentgen

8. What is the process by which a substance changes from a gas into a liquid?

a) Condensation

b) Evaporation

c) Sublimation

d) Vaporization

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Answer: a) Condensation

9. What is the unit of measurement for electrical resistance?

a) Ohm (Ω)

b) Volt (V)

c) Ampere (A)

d) Joule (J)

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Answer: a) Ohm (Ω)

10. What is the study of heat and its relationship to energy and work?

a) Thermodynamics

b) Cryogenics

c) Fluid dynamics

d) Quantum mechanics

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Answer: a) Thermodynamics

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