30 Physics GK Questions With Answers

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30 Physics GK Questions With Answers

  1. Expand your knowledge in Physics by answering these challenging Physics GK questions with answers.
  2. Sharpen your problem-solving skills and gain new insights into Physics with these comprehensive Physics GK questions with answers.
  3. Boost your confidence in Physics by acing these Physics GK questions with answers and impress your peers.
  4. Take your Physics expertise to the next level with these stimulating Physics GK questions with answers.
  5. Get ready to test your understanding of Physics with these intriguing Physics GK questions with answers and become a Physics mastermind.

Physics GK Questions With Answers

  1. Q: What is the SI unit of electric current? A: Ampere (A).
  2. Q: What is the unit of measurement for electric potential difference? A: Volt (V).
  3. Q: What is the process of converting a solid directly into a gas called? A: Sublimation.
  4. Q: What type of mirror is used in a magnifying glass? A: Convex mirror.
  5. Q: What is the SI unit of power? A: Watt (W).
  6. Q: What is the phenomenon of bending of light when it passes from one medium to another? A: Refraction.
  7. Q: What type of lens is used to correct nearsightedness? A: Concave lens.
  8. Q: What is the law that states that the total momentum of a system remains constant if no external force acts on it? A: Law of conservation of momentum.
  9. Q: What is the process of charging a neutral object by bringing a charged object near it without direct contact called? A: Induction.
  10. Q: What is the unit of measurement for frequency? A: Hertz (Hz).
  11. Q: What is the force that opposes the motion of objects through a fluid? A: Drag force.
  12. Q: What is the property of a material to regain its original shape after being stretched or compressed called? A: Elasticity.
  13. Q: What is the SI unit of force? A: Newton (N).
  14. Q: What is the instrument used to measure electric current? A: Ammeter.
  15. Q: What type of energy is possessed by an object due to its motion? A: Kinetic energy.
  16. Q: What is the phenomenon of splitting of white light into its constituent colors called? A: Dispersion.
  17. Q: What is the unit of measurement for electric resistance? A: Ohm (Ω).
  18. Q: What is the force experienced by a current-carrying conductor placed in a magnetic field called? A: Magnetic force.
  19. Q: What is the process of conversion of a gas directly into a solid called? A: Deposition.
  20. Q: What is the law that states that the current flowing through a conductor is directly proportional to the voltage across it, given constant resistance? A: Ohm’s law.

Here are some Physics GK Questions With Answers

1-What is the unit of force?

Newton,

Watt,

Joule,

Hertz

2-What is the formula of acceleration?

v/t

m/v

m/t²

t/v²

3-What is the principle of conservation of energy?

Energy cannot be created or destroyed, it can only be transformed from one form to another

Energy can be created but cannot be destroyed

Energy can be destroyed but cannot be created

Energy can be both created and destroyed

4-What is the law of gravitation?

Every particle in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them

Every particle in the universe attracts every other particle with a force that is directly proportional to their masses and inversely proportional to the distance between them

Every particle in the universe repels every other particle with a force that is directly proportional to their masses and inversely proportional to the distance between them

Every particle in the universe attracts every other particle with a force that is directly proportional to their masses and directly proportional to the distance between them

5-What is the speed of light in vacuum?

3 x 10⁸ m/s

2 x 10⁸ m/s

4 x 10⁸ m/s

5 x 10⁸ m/s

6-What is the law of reflection?

The angle of incidence is equal to the angle of reflection

The angle of incidence is greater than the angle of reflection

The angle of incidence is less than the angle of reflection

The angle of incidence has no relation with the angle of reflection

7-What is the principle of Archimedes?

Any object, wholly or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object

Any object, wholly or partially immersed in a fluid, is pushed down by a force equal to the weight of the fluid displaced by the object

Any object, wholly or partially immersed in a fluid, is neither pushed up nor down by the fluid

Any object, wholly or partially immersed in a fluid, is pushed up by a force equal to half the weight of the fluid displaced by the object

8-What is the law of conservation of momentum?

The total momentum of an isolated system remains constant

The total momentum of an isolated system is increasing with time

The total momentum of an isolated system is decreasing with time

The total momentum of an isolated system is zero

9-What is the formula of kinetic energy?

1/2mv²

mv²

m²v

1/2mv

10-What is the unit of electric charge?

Coulomb

Watt

Joule

Hertz

ANSWERS: Physics GK Questions With Answers

1-Newton- It is the SI unit of force. It is defined as the force required to give a mass of 1 kg an acceleration of 1 m/s².

2-m/t²- Acceleration is defined as the rate of change of velocity with time. Its formula is a = Δv/Δt or a = v/t.

3-Energy cannot be created or destroyed, it can only be transformed from one form to another

The principle of conservation of energy states that the total energy of an isolated system remains constant. Energy can only be transformed from one form to another.

4-Every particle in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them

The law of gravitation states that every particle in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. It is one of the fundamental laws of physics and is used to explain the motion of planets, stars, and other celestial bodies.

5- 3 x 10⁸ m/s

The speed of light in vacuum is approximately 3 x 10⁸ meters per second (m/s). It is a fundamental constant of nature and is used in many areas of physics and engineering.

6- The angle of incidence is equal to the angle of reflection

The law of reflection states that the angle of incidence is equal to the angle of reflection. This means that if a ray of light is incident on a surface at an angle, it will be reflected at the same angle on the other side of the surface.

7-Any object, wholly or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object

The principle of Archimedes states that any object, wholly or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object. This is why objects float in water or other fluids.

8-The total momentum of an isolated system remains constant

The law of conservation of momentum states that the total momentum of an isolated system remains constant. This means that the momentum of an object cannot change unless it is acted upon by an external force.

9- 1/2mv²

Kinetic energy is the energy of motion. Its formula is K = 1/2mv², where m is the mass of the object and v is its velocity.

10- Coulomb

Coulomb is the SI unit of electric charge. It is defined as the amount of charge transported in one second by a current of one ampere.

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