Electromagnetic Spectrum

For waves in any medium, as the wavelength decreases, what happens to the frequency?

• It also decrease
• It stays the same
• It increases

Which of the following has frequencies higher than ultraviolet rays?

• visible light
• infrared rays
• x-rays

Which electromagnetic waves help doctors detect broken bones inside your body?

• gamma rays
• x-rays
• ultraviolet rays

Which electromagnetic waves are used in devices such as heat lamps & TV remote controls?

• ultraviolet rays
• microwaves
• infrared rays

What waves have the lowest energy? 

• Gamma rays
• Visible light waves
• Radio waves
• X rays

A wave with a large wavelength will have a ______ frequency and _____ energy

• high, low
• high, high
• low, high
• low, low

True or false: as you move along the spectrum, radio to gamma waves, the wavelengths decrease in size (get smaller)

• true
• false

High frequency waves have _________ wavelengths.

• varying
• long
• the same
• short

As the frequency of an electromagnetic wave increases, the amount of energy in that wave...

• increases.
• decreases.
• stays the same.

The distance between two crests or two troughs of a wave is called:

• frequency
• amplitud
• wavelength
• hertz