Name: ________________________
Period: __________
Date: _____________
Answers to Waves and Sound Test Study Guide Questions
1. 343 m/s
7. Longitudinal Wave
2. 20 Hz
8. Transverse Wave
a. 20,000 Hz
3. 21,042.94 Hz
a. No
4. 14,000 Hz
a. Yes
5. 20 °C – 68 °F
a. Dry air
6. Gamma Rays
9. 3 x 108 m/s
10.
a. They are getting the information
via a radio wave, which is a
transverse wave.
b. They are listening to the sound
coming through their car speakers,
and sound is a longitudinal wave.
Infrared
11.Transverse Wave
Ultraviolet
12.Longitudinal Wave
X-Rays
13.109 Hz or 121 Hz
Long Radio
14.The wave will be inverted, the same
Short Radio
height, and traveling in the opposite
Microwave
direction.
Visible
a. Long Radio
Short Radio
Microwave
Infrared
15.The wave will be the same height,
and traveling in the opposite
direction.
16.Crest, Trough, Amplitude, Equilibrium
Position, Wavelength, Node, and
Antinode.
Visible
17.3rd Harmonic
Ultraviolet
18.220 Hz
X-Ray
19.High Pitched
20.Low Pitched
Gamma Rays
Name: ________________________
Period: __________
Date: _____________
Answers to Waves and Sound Test Study Guide Questions
21.The Doppler effect can be seen when
looking out at distant galaxies and
planets via red-shifts and blue-shifts
of light.
22.1st Wave: Doppler Effect
2nd Wave: Bow Waves
3rd Wave: Stationary Source
4th Wave: Barrier Waves
23.Observer A: Hasn’t heard the sonic
boom.
Observer B: Is currently hearing the
sonic boom.
Observer C: Has just heard the sonic
boom.