Lesson on Electromagnetic Waves

Electromagnetic Waves

by Bonelli Dobbs

​RECALL that......

Multiple Choice

The higher the frequency the ______ the energy. 

• higher
• lower
• neither, stays the same

Multiple Choice

The lower the frequency the ______ the energy.

• higher

• lower

• neither, stays the same

Multiple Choice

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

• Microwaves
• Infrared
• Radio
• X-Ray

Multiple Choice

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

• Microwaves
• Infrared
• Radio
• X-Ray

Multiple Choice

What do you have at 10^-2?
Wavelength Not Frequency

• Microwaves
• Infrared
• Radio
• X-Ray

Multiple Choice

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

• Microwaves
• Infrared
• Radio
• X-Ray

Multiple Choice

What do you have at 10^-8?
Wavelength Not Frequency

• Ultra Violet
• Visible
• Gamma Rays
• X-Ray

Multiple Choice

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

• microwaves
• visible light
• gamma rays

Multiple Choice

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

• Infrared rays
• ultraviolet rays
• microwaves

Multiple Choice

Which type of waves are used in broadcasting?

• radio waves
• infrared rays
• x-rays

Multiple Choice

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

• ultraviolet rays
• x-rays
• gamma rays

Multiple Choice

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

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

Multiple Choice

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

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

Multiple Choice

Which of the following has wavelengths longer than microwaves?

• Infrared waves
• Radio waves
• Visible light

Multiple Choice

Which electromagnetic waves allow us to diagnose & treat cancer?

• Gamma rays
• X-rays
• Ultraviolet rays

Multiple Choice

The electromagnetic spectrum includes the complete range of electromagnetic waves placed in order of:

• increasing amplitutde
• increasing wavelength
• increasing frequency

Multiple Choice

Which of the following has frequencies higher than ultraviolet rays?

• visible light
• infrared rays
• x-rays

Multiple Choice

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

• gamma rays
• x-rays
• ultraviolet rays

Multiple Choice

Which of the following lists the electromagnetic waves in order of increasing wavelength?

• X-rays, visible light, radio waves
• gamma rays, microwaves, UV rays
• infrared rays, radio waves, x-rays

Multiple Choice

Which of the following lists the electromagnetic waves in order of decreasing frequency?

• X-rays, microwaves, infrared rays
• UV rays, visible light, x-rays
• infrared rays, microwaves, radio waves