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. 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

2 / 10

2. Visible spectrum consists of:

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

B. Visible light does not contain Violet color.

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

D. Visible light does not contain Red.

3 / 10

3. The speed of light in vacuum is approximately:

A. 300,000 kilometers per hour

B. 300,000 miles per sec

C. 30,000 kilometers per sec

D. 300,000 kilometers per sec

4 / 10

4. The light particle is known as:

A. Electron

B. Photon

C. Neutron

D. Muon

5 / 10

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

A. 2.5 seconds

B. 1.25 seconds

C. 1.25 minutes

D. 1.25 hours

6 / 10

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

A. False

B. True

7 / 10

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

A. The special theory of relativity

B. The general theory of relativity

C. The laws of photo electric effect

D. Mass energy equivalence (E=mc²)

8 / 10

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

A. False

B. True

9 / 10

9. 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

10 / 10

10. Infra red is part of electromagnetic spectrum:

A. with wavelengths greater than red color

B. with wavelengths between blue and red

C. with wavelengths shorter than red color

D. with wavelengths shorter than blue

Your score is

The average score is 82%

Feedback from others

Optics Quiz