Question 1

1. What is the SI unit of Luminous Intensity?

A) KelvinB) CandelaC) AmpereD) Mole

Answer

✓ Correct Answer: Option B

Question 2

2. Which device is used to measure electric current in a circuit?

A) VoltmeterB) AmmeterC) GalvanometerD) Ohmmeter

Question 3

3. Newton's First Law of Motion is also known as the:

A) Law of InertiaB) Law of MomentumC) Law of Energy ConservationD) Law of Gravitation

Answer

✓ Correct Answer: Option A

Question 4

4. The value of acceleration due to gravity (g) is maximum at:

A) The EquatorB) The PolesC) The Center of the EarthD) Mount Everest

Answer

✓ Correct Answer: Option B

Question 5

5. What is the approximate escape velocity on the surface of the Earth?

A) 9.8 km/sB) 11.2 km/sC) 8.0 km/sD) 11.2 m/s

Answer

✓ Correct Answer: Option B

Question 6

6. A "Light Year" is a unit of measurement for:

A) TimeB) Intensity of LightC) DistanceD) Speed of Light

Answer

✓ Correct Answer: Option C

Question 7

7. Optical fibres work on the principle of:

A) RefractionB) ScatteringC) InterferenceD) Total Internal Reflection

Answer

✓ Correct Answer: Option D

Question 8

8. Which instrument is used to measure atmospheric pressure?

A) HydrometerB) HygrometerC) BarometerD) Manometer

Answer

✓ Correct Answer: Option C

Question 9

9. The energy possessed by a body due to its position or configuration is called:

A) Kinetic EnergyB) Potential EnergyC) Thermal EnergyD) Mechanical Energy

Answer

✓ Correct Answer: Option B

Question 10

10. Sound travels fastest in which of the following mediums?

A) AirB) WaterC) Steel (Solids)D) Vacuum

Answer

✓ Correct Answer: Option C

Question 11

11. The primary colors of light are:

A) Red, Blue, YellowB) Red, Blue, GreenC) Red, Yellow, WhiteD) Green, Blue, Yellow

Answer

✓ Correct Answer: Option B

Question 12

12. Mirage in deserts is an optical illusion primarily caused by:

A) Dispersion of LightB) Diffraction of LightC) Total Internal ReflectionD) Scattering of Light

Answer

✓ Correct Answer: Option C

Question 13

13. What is the SI unit of power of a lens?

A) WattB) MetreC) JouleD) Dioptre

Answer

✓ Correct Answer: Option D

Question 14

14. The phenomenon of Radioactivity was discovered by:

A) Marie CurieB) Henri BecquerelC) J.J. ThomsonD) Ernest Rutherford

Answer

✓ Correct Answer: Option B

Question 15

15. Which of the following electromagnetic waves has the highest frequency?

A) X-raysB) Radio wavesC) Gamma raysD) Microwaves

Answer

✓ Correct Answer: Option C

Question 16

16. The apparent weight of a person sitting in a freely falling elevator is:

A) IncreasedB) DecreasedC) ZeroD) Equal to true weight

Answer

✓ Correct Answer: Option C

Question 17

17. The work done by a centripetal force on a body moving in a circular path is:

A) PositiveB) NegativeC) ZeroD) Infinite

Answer

✓ Correct Answer: Option C

Question 18

18. Which device converts mechanical energy into electrical energy?

A) Electric MotorB) Dynamo / GeneratorC) TransformerD) Battery

Answer

✓ Correct Answer: Option B

Question 19

19. The speed of light in vacuum is exactly:

A) $3 \times 10^8 m/s$B) $3 \times 10^5 m/s$C) $3 \times 10^8 km/s$D) $3 \times 10^6 m/s$

Answer

✓ Correct Answer: Option A

Question 20

20. The phenomenon responsible for the blue color of the clear sky is:

A) Reflection of sunlightB) Refraction of sunlightC) Dispersion of lightD) Scattering of light

Answer

✓ Correct Answer: Option D

Accepted Answer

✓ Correct Answer: Option B

SSC Physics GK Quiz

1. What is the SI unit of Luminous Intensity?

2. Which device is used to measure electric current in a circuit?

3. Newton's First Law of Motion is also known as the:

4. The value of acceleration due to gravity (g) is maximum at:

5. What is the approximate escape velocity on the surface of the Earth?

6. A "Light Year" is a unit of measurement for:

7. Optical fibres work on the principle of:

8. Which instrument is used to measure atmospheric pressure?

9. The energy possessed by a body due to its position or configuration is called:

10. Sound travels fastest in which of the following mediums?

11. The primary colors of light are:

12. Mirage in deserts is an optical illusion primarily caused by:

13. What is the SI unit of power of a lens?

14. The phenomenon of Radioactivity was discovered by:

15. Which of the following electromagnetic waves has the highest frequency?

16. The apparent weight of a person sitting in a freely falling elevator is:

17. The work done by a centripetal force on a body moving in a circular path is:

18. Which device converts mechanical energy into electrical energy?

19. The speed of light in vacuum is exactly:

20. The phenomenon responsible for the blue color of the clear sky is: