Quiz on light

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

Which of the following is responsible for the colors of a rainbow?

a) Reflection

b) Diffraction

c) Dispersion

d) Absorption

Correct! Wrong!

Which of the following is the fastest in a vacuum?

a) Sound

b) Water waves

c) Light

d) Radio waves

Correct! Wrong!

What is the speed of light in a vacuum?

a) 3 x 10^8 m/s

b) 1 x 10^8 m/s

c) 5 x 10^8 m/s

d) 2 x 10^8 m/s

Correct! Wrong!

In which direction does light travel?

a) Perpendicular to the surface

b) In random directions

c) In a straight line

d) Only in curved paths

Correct! Wrong!

Which color of light has the shortest wavelength?

a) Red

b) Green

c) Blue

d) Violet

Correct! Wrong!

What is the phenomenon where light changes direction as it passes from one medium to another?

a) Reflection

b) Refraction

c) Diffraction

d) Dispersion

Correct! Wrong!

What type of wave is light?

a) Longitudinal wave

b) Transverse wave

c) Mechanical wave

d) Radio wave

Correct! Wrong!

What happens when light passes through a convex lens?

a) The light rays diverge

b) The light rays converge

c) The light rays are absorbed

d) The light rays reflect

Correct! Wrong!

Quiz on light

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