Vocabulary
What do you call a wave in which the particles travel perpendicular to the direction of the wave?
Transverse wave
What is the distance between the midline and a crest or trough called?
Amplitude
A wave has a frequency of 4.0 Hz. What is its period?
0.25 s
What results in total destructive interference?
Two waves of equal amplitude come together.
What type of wave is a sound wave?
Longitudinal
What do you call a wave in which the particles travel parallel to the direction of the wave?
Longitudinal wave
What is the lowest part of a transverse wave?
A pendulum takes 3 seconds to complete 9 cycles. What is its frequency?
3 Hz
A 2 m crest meets a 5 m trough. What is the resultant wave?
3 m trough
What is the speed of sound at 0 °C with normal atmospheric pressure?
332 m/s
What do you call the number of cycles per unit of time?
What is the distance from a crest to the next crest called?
Wavelength
A wave has a frequency of 10. Hz and a wavelength of 3.5 m. What is its speed?
35 m/s
What happens when a wave meets a fixed end?
The reflected wave is inverted.
Sound waves originate from a _________ source.
Vibrating
The statement that "the displacements of a medium caused by two or more waves is the algebraic sum of the displacements caused by the individual waves" is the Principle of ___________.
In a longitudinal wave, what do you call a portion where the particles are spread further apart?
Rarefaction
What is the Mach number if an plane is traveling at 3402 m/s and the local speed of sound is 330.5 m/s?
10.29
What happens when an upright wave travels from a dense medium to a light medium?
There is a upright reflected wave and an upright transmitted wave.
What number is used to represent very high speeds?
Mach number
What do you call a transfer of energy that happens without translocation of the medium?
A wave
In a standing wave, what do you call the point with the maximum displacement or amplitude?
Antinode
The wavelength in a standing wave pattern is 5.0 m. What is the distance between the third and sixth node?
7.5 m
Where is total destructive interference seen in a standing wave.
At the nodes.
What happens to the speed of sound if the temperature increases?
The speed increases