Electromagnetic Waves

The higher the frequency the ______ the energy. 

• higher
• lower
• neither, stays the same

The lower the frequency the ______ the energy.

• higher

• lower

• neither, stays the same

What do you have at 10^3?
Wavelength Not Frequency

• Microwaves
• Infrared
• Radio
• X-Ray

What do you have at 10^-5?
Wavelength Not Frequency

• Microwaves
• Infrared
• Radio
• X-Ray

Which electromagnetic waves have the highest frequencies and the shortest wavelengths?

• microwaves
• visible light
• gamma rays

Which electromagnetic waves are used in ovens and cell phone communications?

• Infrared rays
• ultraviolet rays
• microwaves

Which type of waves are used in broadcasting?

• radio waves
• infrared rays
• x-rays

Electromagnetic waves that help your body produce vitamin D are called?

• ultraviolet rays
• x-rays
• gamma rays

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

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

How much of the electromagnetic spectrum is made up of visible light?

• only a small portion
• a very l;arge portion
• about half