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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**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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**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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**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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**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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**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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**7. Who discovered X-rays?**

a) Marie Curie

b) Wilhelm Conrad Roentgen

c) Niels Bohr

d) Max Planck

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**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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**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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**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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