Light and EM Radiation Test

T/F - Visible light is a form of radiation.

• True

• False

Which form of EM radiation has a shorter wavelength and higher frequency than visible light?

• radio waves

• infrared

• ultraviolet

• microwaves

T/F - The color of a wave of visible light that we see depends on its wavelength.

• True

• False

What color of light has the longest wavelength?

• Violet

• Green

• Yellow

• Red

T/F - White light is a single measurable wavelength of light, just like red, blue, green, etc.

• True

• False

What determines the color of an opaque object?

• The color of light it transmits.

• The color of light it reflects.

• The speed of light it emits.

What statement is true about an opaque white object?

• The object absorbs all light that hits it.

• The object reflects all light that hits it.

• The object transmits all light that hits it.

What statement is true about an opaque black object?

• The object absorbs all light that hits it.

• The object reflects all light that hits it.

• The object transmits all light that hits it.

When white light hits the grass, which of the following statements is true?

• The grass absorbs green light.

• The grass reflects white light.

• The grass reflects green light

• The grass transmits white light

T/F - This apple appears black because it absorbs blue light.

• True

• False