Wave Characteristics
The number of complete cycles per unit time
What is frequency
What is the pitch
Sound travels is what type of waves.
What is longitudinal.
period and frequency's relationship?
What is inversely proportional
The fundamental frequency created on a 10 meter long rope has a wavelength of what length?
What is 20 meters.
The distance measured from consecutive parts of a wave, such as from crest to crest.
What is wavelength
In a closed pipe, such as the test tube flute from lab, the lowest standing wave formed in the pipe had a length equal to how many wavelength?
What is 1/4 wavelength
When two compressions or two rarefactions meet, what part of the sound wave increases?
What is the amplitude, loudness
wavelength and frequency's relationship
If an ocean wave with a crest of 7.5 meters high, meets a reflected trough of 4.0 meters, the resultant is...
What is 3.5 meters
The maximum distance from equilibrium to crest or from equilibrium to trough
What is amplitude
The type of frequency heard by an observer if the source moves away from the observer
what is a lower frequency
When a compression and a rarefaction of equal amplitude meet at the same time in the same space, this occurs.
What is destructive interference, silence.
If a wave pulse moves 10 meters in 2 seconds, the velocity is ...
What is 5 m/s
Sound cannot travel in what?
What is a vacuum
Daily Double
The area of a sound wave or similar type of wave that expands as the wave moves.
What is rarefaction
The name of the lowest frequency that creates a standing wave
What is the fundamental frequency (or first harmonic)
Daily Double
When the pitch of a sound is observed higher than its original pitch, what could be occuring? (three possiibilities - all three for points)
what is the observers is approaching the source, the source is approaching the observer, or both the source and observer are approaching each other.
A 3 meter long wave has a velocity of 66 m/s. the Frequency must be
What is 22 Hz
Which wave moves perpendicular to its medium?
A transverse wave
A sound wave must have this to travel
What is a medium
The three variables of a string we studied that can change the pitch we hear
What are the ...
1. length of the string
2. tension of the string
3. density of the string
Dalily Double
A sound wave is heard in air on a 15 degree Celsius day. The frequency observed is 440 Hz. The wavelength is measured at ...
What is
0.77 m
If 10 meter long waves pass a point every 2.5 seconds, their speed is
What is 4 m/s
What is the wavelength of the 3rd standing wave if the length is 15 meters.
Daily Double
What is 10 m