Understanding Sound and Light Waves
Authored by Ravi Sawh
Physics
9th Grade
NGSS covered
Used 7+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the speed of sound in air at standard temperature and pressure?
343 m/s
299,792,458 m/s
1,500 m/s
3,000 m/s
Tags
NGSS.HS-PS4-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the wavelength of a sound wave is 1.5 meters and the speed of sound is 343 m/s, what is the frequency of the wave?
229 Hz
343 Hz
1.5 Hz
514.5 Hz
Tags
NGSS.HS-PS4-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the speed of sound in air as temperature increases?
It decreases
It increases
It stays the same
It becomes zero
Tags
NGSS.HS-PS4-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is resonance in the context of sound waves?
When a sound wave is absorbed by a material
When an object vibrates at its natural frequency due to a matching external frequency
When sound waves travel faster than light
When sound is reflected off a surface
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of polarized sunglasses?
To increase brightness
To block ultraviolet rays only
To reduce glare by blocking certain orientations of light waves
To magnify objects
Tags
NGSS.MS-PS4-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which property of radio waves makes them useful for astronomical observations?
They are easily absorbed by the atmosphere
They can travel long distances through space
They are visible to the human eye
They have high energy
Tags
NGSS.HS-PS4-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Doppler Effect?
The bending of light as it passes through a lens
The change in frequency or wavelength of a wave in relation to an observer
The splitting of white light into colors
The reflection of sound waves
Tags
NGSS.HS-PS4-1
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