Front

The color of visible light that has the longest wavelength is ______.

Back

red

Front

Which of the following is true about EM waves?

• Light is the only wave that humans can perceive.
• Radio waves are used in television broadcast.
• Gamma rays have the shortest wavelength.
• All of the above.

Back

All of the above.

Front

In order of increasing energy, which of the following is the correct sequence?

Visible, radio, ultraviolet, x-ray

,

Infrared, visible, ultraviolet, gamma

,

Visible, gamma, ultraviolet, x-ray

,

Infrared, x-ray, visible, gamma

Back

Infrared, visible, ultraviolet, gamma

Front

Which of these EM waves has the greatest penetrating ability due to its very short wavelength? Options: Ultraviolet, X-ray, Gamma ray, Microwave

Back

Gamma ray

Front

An electromagnetic wave is made up of which of the following oscillating quantities?
Options:

Magnetic field only

,

Electric and magnetic force

,

Electric and magnetic field

,

Electric field only

,

Magnetic force only

Back

Electric and magnetic field

Front

Which color waves have the shortest wavelength? Options:

red

,

yellow

,

green

,

violet

Back

violet

Front

High frequency waves have _________ wavelengths.

Back

short

Front

Which EM waves have the longest wavelength?
Options: radio, x-rays, ultraviolet, gamma rays

Back

radio

Front

Shorter Wavelengths have ____Energy, Longer Wavelengths___Energy?

Back

Higher, Lower

Front

Which EM waves have a SHORTER wavelength than visible?

Back

x-rays