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.

rainbow, river, nature-2424647.jpg

1 / 10

1. Visible spectrum consists of:

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

B. Visible light does not contain Violet color.

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

D. Visible light does not contain Red.

2 / 10

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

A. False

B. True

3 / 10

3. The light particle is known as:

A. Neutron

B. Electron

C. Muon

D. Photon

4 / 10

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

A. 1.25 hours

B. 1.25 minutes

C. 2.5 seconds

D. 1.25 seconds

5 / 10

5. 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. False

B. True

6 / 10

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

A. True

B. False

7 / 10

7. Infra red is part of electromagnetic spectrum:

A. with wavelengths shorter than red color

B. with wavelengths between blue and red

C. with wavelengths greater than red color

D. with wavelengths shorter than blue

8 / 10

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

A. Mass energy equivalence (E=mc²)

B. The special theory of relativity

C. The laws of photo electric effect

D. The general theory of relativity

9 / 10

9. The speed of light in vacuum is approximately:

A. 300,000 kilometers per sec

B. 300,000 miles per sec

C. 30,000 kilometers per sec

D. 300,000 kilometers per hour

10 / 10

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

A. 80 minutes

B. 8 seconds

C. 8 minutes

D. 8 hours

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The average score is 83%

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Optics Quiz