An Easy Quiz in Optics

Physics – Light

Here is an easy quiz on the topic of Optics(Physics). There are ten questions. The quiz is not timed.

Good luck.

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1 / 10

1. ²Albert Einstein was awarded the (1921) Nobel Prize in physics for the discovery of:

A. The laws of photo electric effect

B. The special theory of relativity

C. The general theory of relativity

D. Mass energy equivalence (E=mc²)

2 / 10

2. Sunlight takes about this much time to reach the Earth from the Sun:

A. 8 seconds

B. 80 minutes

C. 8 hours

D. 8 minutes

3 / 10

3. Light takes about this much time to travel from our Moon to the Earth

A. 1.25 minutes

B. 1.25 seconds

C. 1.25 hours

D. 2.5 seconds

4 / 10

4. Infra red is part of electromagnetic spectrum:

A. with wavelengths greater than red color

B. with wavelengths shorter than red color

C. with wavelengths between blue and red

D. with wavelengths shorter than blue

5 / 10

5. The speed of light in vacuum is approximately:

A. 30,000 kilometers per sec

B. 300,000 kilometers per sec

C. 300,000 kilometers per hour

D. 300,000 miles per sec

6 / 10

6. The light particle is known as:

A. Photon

B. Electron

C. Neutron

D. Muon

7 / 10

7. Visible spectrum consists of:

A. Blue at one end; Orange at the other end.

B. Visible light does not contain Red.

C. Visible light does not contain Violet color.

D. Violet at one end; Red at the other end.

8 / 10

8. Visible light is a part of the electromagnetic spectrum.

A. False

B. True

9 / 10

9. Like sound waves, light too requires a medium to propagate.

A. False

B. True

10 / 10

10. Light acts like a wave in some experiments and as a particle in some other experiments. This is called the dual nature of light.

A. True

B. False

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The average score is 83%

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Optics Quiz