Physical Science ch.5 test review (Waves)

_____________________light is the only type of EM wave detected by the human eye.

• Red
• Gamma
• Microwave
• Visible

The shortest wavelength in visible light is______.

• violet
• red
• blue
• yellow

What is a vacuum? 

• A space with only air in it
• A space with NO matter at all present
• A machine you use to do your chores

Frequency is a measure of...

• length of the wave
• height of the wave
• number of waves a second
• number of waves an hour

When the wavelength increases the frequency will

• increase
• decrease

Tags

NGSS.HS-PS4-1

Which is true of a mechanical wave?

• It must have a medium
• It must travel in empty space.
• It can travel in a vacuum.
• Both sound and light are examples.

What is the speed of a wave if the wavelength is 100 m and the period is 20 s?

• 2,000 m/s
• 120 m/s
• 80 m/s
• 5 m/s

What is the period of a wave if the wavelength is 100 m and the speed is 200 m/s?

• 200,000 s
• 0.5 s
• 2 s
• 100 s

Which letter(s) represent the trough of the wave?

• A
• B & D
• D
• C & G

Tags

NGSS.MS-PS4-1

Which vocabulary term is used to identify the distance between points C & G?

• Amplitude
• Crest
• Frequency
• Wavelength