Waves
Diagrams
Music
Practice Problems
Harmonics
100
What happens when two waves (one crest, one trough) of equal amplitude collide?
Destructive Interference
100
Find n
n = 3
100
Name that song
September
100
Find the frequency of a sound wave that is 5 meter long in wavelength in room temperature air (memory test)
68.6
100
What is n equivalent to?
Antinodes
200
Are all antinodes crests?
No
200
Find the harmonic series
5th Harmonic
200
Name that Band
Linkin Park
200
What must the frequency of Carters voice be if we have a beat frequency of 9 and Aiden is singing middle C at a perfect 261.63 Hz (Cater is sharp)
270.63 Hz
200
What has to be at the closed barrier?
antinode
300
When does a traveling wave become a standing wave?
When their is repeated reflection off a boarder
300
Find Wavelength
20 cm
300
Name that Artist
Steve Lacy
300
How loud will a bell be if it rings with 0.006 Watts of power and I am 7 meters away from it?
9.74x10^-06
300
How does a trombone player adjust the harmonic series in their instrument?
Adjusting the embouchure
400
What type of wave is electromagnetic radiation?
Transverse
400
Find Wavelength
12 cm
400
Name the Band
Polyphia
400
If after inhaling helium, your vocal cords can produce up to 556 Hz when trying to sing G5 (5th harmonic) with an effective (not literal) vocal tract length of 2.1875 meters. Then what is the speed of sound in helium?
973 m/s
400
How does a guitar player control the antinodes in the string?
pick placement