Waves: Sound And Light
Answer each question which follows with the correct choice.
- 1.Waves that need a medium in which to travel are called _________.
- A.
Longitudinal waves
- B.
Transverse waves
- C.
Mechanical waves
- D.
All of the above
- 2.Most waves are caused by ______.
- A.
Velocity
- B.
Amplitude
- C.
A vibration
- D.
Earthquakes
- 3.For which type of waves do particles in the medicum vibrate perpendicular to the direction in which the waves are traveling?
- A.
Transverse waves
- B.
Longitudinal waves
- C.
P waves
- D.
None of the above
- 4.A sound wave is an example of ______.
- A.
An electromagnetic wave
- B.
A transverse wave
- C.
A longitudinal wave
- D.
A surface wave
- 5.In an ocean wave, the molecules of water ________.
- A.
Move perpendicularly to the direction of wave travel
- B.
Move parallel to the direction of the wave travel
- C.
Move in circles
- D.
Don't move at all
- 6.Half the vertical distance between the crest and trough of a wave is called the ______.
- A.
Frequency
- B.
Crest
- C.
Wavelength
- D.
Amplitude
- 7.The number of waves passing a given point each second is called the ______.
- A.
Frequency
- B.
Wave speed
- C.
Wavelength
- D.
Amplitude
- 8.The Doppler effect of a passing siren results from an apparent change in _______.
- A.
Loudness
- B.
Wave speed
- C.
Frequency
- D.
Interference
- 9.The combining of waves as they meet is known as _______.
- A.
A crest
- B.
Noise
- C.
Interference
- D.
The Doppler effect
- 10.Waves bend when they pass through an opening. This is called ________.
- A.
Interference
- B.
Diffraction
- C.
Refraction
- D.
The Doppler effect
- 11.The speed of sound depends on ______.
- A.
The temperature of the medium
- B.
The density of the medium
- C.
How well the particles of the medium transfer energy
- D.
All of the above
- 12.A sonar device can use the echoes of ultrasound underwater to find the ________.
- A.
Speed of sound
- B.
Depth of the water
- C.
Temperature of the water
- D.
Height of waves on the surface
- 13.During a thunderstorm, you see lightning before you hear thunder because ________.
- A.
The thunder occurs after the lightning
- B.
The thunder is farther away than the lightning
- C.
Sound travels faster than light
- D.
Light travels faster than sound
- 14.The speed of light ________.
- A.
Depends on the medium
- B.
Is fastest in a vacuum
- C.
Is the fastest speed in the universe
- D.
All of the above
- 15.Light can be modeled as ________.
- A.
Electromagnetic waves
- B.
A stream of particles called photons
- C.
Rays that travel in straight lines
- D.
All of the above
- 16.The energy of light is proportional to ________.
- A.
Amplitude
- B.
Wavelength
- C.
Frequency
- D.
The speed of light
- 17.A flat mirror forms an image that is ______.
- A.
Smaller than the object
- B.
Larger than the object
- C.
Virtual
- D.
Real
- 18.Which of the following wavelengths of visible light bends the most when passing through a prism?
- A.
Red
- B.
Yellow
- C.
Green
- D.
Blue
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