Properties of Light Quiz

What is the smallest possible piece of electromagnetic radiation?

• waves

• photons

• rays

How does light travel?

• in straight lines

• in rays

• in waves

• all of these answers

What is the speed of light?

• about 670 million miles per hour

• about 186,000 miles per second

• about 300,000 kilometers per second

• all answers are correct

True or False: Light cannot be absorbed.

• True

• False

True or False: Light can be reflected.

• True

• False

True or False: Light can be transmitted through matter.

• True

• False

The following materials allow light to be transmitted through them.

• translucent materials

• transparent materials

• opaque materials

Something that transmits some, but not all, of the light that hits it is called...

• opaque

• translucent

• transparent

The Law of reflection states that...

• the angle of reflection from a mirror equals the angle of incidence.

• waves incident on a mirror are partially reflected.

• all waves incident on a mirror are reflected.

• the angle a ray is reflected from a mirror is random.

An echo occurs when sound...

• is transmitted through a surface.

• is reflected from a distant surface.

• changes speed when it strikes a distant surface.

• all answers are correct.