SSC Physics GK Quiz | Concept of Maths

Question 1

1. What is the SI unit of Luminous Intensity?

Accepted Answer

B) Candela

Answer

A) Kelvin

Answer

C) Ampere

Answer

D) Mole

Question 2

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

Accepted Answer

B) Ammeter

Answer

A) Voltmeter

Answer

C) Galvanometer

Answer

D) Ohmmeter

Question 3

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

Accepted Answer

A) Law of Inertia

Answer

B) Law of Momentum

Answer

C) Law of Energy Conservation

Answer

D) Law of Gravitation

Question 4

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

Accepted Answer

B) The Poles

Answer

A) The Equator

Answer

C) The Center of the Earth

Answer

D) Mount Everest

Question 5

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

Accepted Answer

B) 11.2 km/s

Answer

A) 9.8 km/s

Answer

C) 8.0 km/s

Answer

D) 11.2 m/s

Question 6

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

Accepted Answer

C) Distance

Answer

A) Time

Answer

B) Intensity of Light

Answer

D) Speed of Light

Question 7

7. Optical fibres work on the principle of:

Accepted Answer

D) Total Internal Reflection

Answer

A) Refraction

Answer

B) Scattering

Answer

C) Interference

Question 8

8. Which instrument is used to measure atmospheric pressure?

Accepted Answer

C) Barometer

Answer

A) Hydrometer

Answer

B) Hygrometer

Answer

D) Manometer

Question 9

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

Accepted Answer

B) Potential Energy

Answer

A) Kinetic Energy

Answer

C) Thermal Energy

Answer

D) Mechanical Energy

Question 10

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

Accepted Answer

C) Steel (Solids)

Answer

A) Air

Answer

B) Water

Answer

D) Vacuum

Question 11

11. The primary colors of light are:

Accepted Answer

B) Red, Blue, Green

Answer

A) Red, Blue, Yellow

Answer

C) Red, Yellow, White

Answer

D) Green, Blue, Yellow

Question 12

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

Accepted Answer

C) Total Internal Reflection

Answer

A) Dispersion of Light

Answer

B) Diffraction of Light

Answer

D) Scattering of Light

Question 13

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

Accepted Answer

D) Dioptre

Answer

A) Watt

Answer

B) Metre

Answer

C) Joule

Question 14

14. The phenomenon of Radioactivity was discovered by:

Accepted Answer

B) Henri Becquerel

Answer

A) Marie Curie

Answer

C) J.J. Thomson

Answer

D) Ernest Rutherford

Question 15

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

Accepted Answer

C) Gamma rays

Answer

A) X-rays

Answer

B) Radio waves

Answer

D) Microwaves

Question 16

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

Accepted Answer

C) Zero

Answer

A) Increased

Answer

B) Decreased

Answer

D) Equal to true weight

Question 17

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

Accepted Answer

C) Zero

Answer

A) Positive

Answer

B) Negative

Answer

D) Infinite

Question 18

18. Which device converts mechanical energy into electrical energy?

Accepted Answer

B) Dynamo / Generator

Answer

A) Electric Motor

Answer

C) Transformer

Answer

D) Battery

Question 19

19. The speed of light in vacuum is exactly:

Accepted Answer

A) $3 imes 10^8 m/s$

Answer

B) $3 imes 10^5 m/s$

Answer

C) $3 imes 10^8 ext{ km/s}$

Answer

D) $3 imes 10^6 m/s$

Question 20

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

Accepted Answer

D) Scattering of light

Answer

A) Reflection of sunlight

Answer

B) Refraction of sunlight

Answer

C) Dispersion of light

Set 1SSC Physics GK Mastery: Top 20 General Science Questions

SSC Physics GK Mastery: Top 20 General Science Questions

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Set 1SSC Physics GK Mastery: Top 20 General Science Questions

SSC Physics GK Mastery: Top 20 General Science Questions

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Set 1SSC Physics GK Mastery: Top 20 General Science Questions

SSC Physics GK Mastery: Top 20 General Science Questions

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Set 1SSC Physics GK Mastery: Top 20 General Science Questions

SSC Physics GK Mastery: Top 20 General Science Questions

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