This is the top of a transverse wave
What is the crest or peak?
These waves do not need matter to travel
What are electromagnetic waves (or light waves)?
Fill in the blank. Diffraction is the ___________ of waves as they pass an edge.
bending
A wave is heard at 22 HZ for 4 seconds. How many waves passed?
88 waves
What two factors does the amount of diffraction of a wave depend on?
Size of opening and wavelength
These are the two areas of a longitudinal wave
What are compressions and rarefactions?
Wavelength decreases, amplitude __________.
increases
This is the frequency of a 3 meter long sound wave
What is 113.3 Hz?
340/3
The energy of a wave is 64j. What is the amplitue?
A=8
Transmission can occur when...
wave energy goes through a medium
This is the distance from the equilibrium to the trough/crest
What is the amplitude?
This wave interaction allows for noise cancellation
absorption
True or false? For reflection to occur, there does not have to be a boundary present.
False
A wave is played at 67 HZ. It is heard for 2 minutes. How many waves passed?
8040 waves
Waves travel fastest through _____ and slowest through ______.
Solid
Gas
From a starting point of a particle, this is the measurement you get when you reach location where that particle is the same distance from the centerline and moving in the same direction
What is one wavelength?
Crest to crest, trough to trough....
Wavelength
This is how many sound waves at 250 Hz can fit end to end in a 13 meter long classroom
What is 9.6?
340/250 = 1.36m
13/1.36
Echos are an example of....
Reflection
Water at 32 degrees F will turn into a ______, making the wave travel faster.
solid
This is the particle direction for longitudinal waves vs. the particle direction for transverse waves
What is parallel vs. perpendicular?
What is the speed of sound?
How fast sound travels based on a medium.
This is how long it will take for a 700 Hz musical note to travel down a 20 meter hallway
What is 0.059 seconds?
20/340
Object must be _______ to produce a wave.
Vibrating
The intensity of a wave INCREASES are the wave spreads out from the source. T/F
False