Electromagnetic Waves & the Electromagnetic Spectrum

Electromagnetic Waves & the Electromagnetic Spectrum

Light, Sound, Waves Unit

Multiple Choice

How fast do electromagnetic waves travel?

• 300,000 km per second

• 350,000 km per second

• 325,000 km per second

• 375,000 km per second

Multiple Choice

A photon is a bundle of electromagnetic energy and the basic unit that makes up all light.

• True

• False

Multiple Choice

The name for the range of electromagnetic waves when placed in order of increasing frequency is

• Visible Light Spectrum

• Ultraviolet Light Spectrum

• Electromagnetic Spectrum

• Magnetic Spectrum

Multiple Choice

Long wavelengths have low energy and

• high frequency

• no frequency

• low frequency

Multiple Choice

The shorter a wavelength the _______ the energy.

• higher

• lower

Multiple Choice

Infrared rays are not invisible.

• True

• False

Multiple Choice

_____________ are electromagnetic waves we can see.

• Radio waves

• Visible light

• Infrared radiation

• Gamma rays

Multiple Choice

Which of the following carries the greatest amount of energy?

• Gamma rays

• Visible Light

• X-rays

• Radio waves

Multiple Choice

Is used for satellite transmission.

• Microwaves

• Radio Waves

• Gamma rays

• Visible Light

Multiple Choice

Which of the following allows you to see colors?

• Radio Waves

• Ultraviolet

• Gamma rays

• Visible Light

Multiple Choice

___________ are used to detect and treat cancer.

• Microwaves

• Gamma rays

• Radio wavess

• Infrared

Multiple Choice

Airport security scanners use

• Gamma rays

• Radio waves

• X-rays

Multiple Choice

Fluorescent lamps use

• Radio Waves

• Ultraviolet

• X-rays

Multiple Choice

Which of the following can be used in cooking?

• Microwaves and Infrared

• Infrared and Ultraviolet

• X-rays and Gamma rays

• Visible light and Radio Waves