Light

Which of the following materials is opaque?

• glass

• mirror

• air

• water

When the frequency of a wave increases, what happens to the wavelength?

• it increases

• it remains the same

• it decreases

Radio waves are

• light waves

• sound waves

Light travels faster than sound

• True

• False

Which of the following can happen to light when it hits an object?. It can be

• transmitted

• reflected

• absorbed

• all of the above

What explains why a pool looks shallower than it really is?

• The reflection of light

• The refraction of light

• The diffusion of light

What is the lowest frequency of light that we can see?

• infra red

• red

• violet

• ultraviolet

Which statement is TRUE

• A red shirt looks red because it reflects all other colors except for red which it absorbs

• A red shirt looks red because it absorbs all other colors except red which it reflects

A black object would look black under all visible colors of light.

• True

• False

A white object would look white under all colors of light

• True

• False