Easy
Medium
Hard
100
What is frequency the reciprocal of?
Period
100
What Law states that the total momentum remains the same if no external forces act on the system?
Conservation of Momentum
100
What property determines the pitch of a sound?
Frequency
200
What is the formula to convert sound intensity to decibels?
B= 10log10^(I/Io)
200
What is the range of hearing for the human ear?
20-20000 Hz
200
What is the threshold of hearing?
1x10^-12 w/m^2
300
What is the formula to convert decibels to sound intensity
I= Io10^(B/10)
300
--------- is the rate at which the wave energy from a sound source is transferred from one location to another
Intensity
300
The period of a 440 Hz sound wave is?
.002s
400
Intensity =?
power/area
400
Which type of wave does a slinky show?
Longitudinal
400
What does the law of reflection state?
That the angle of incidence equals the angle of reflection
500
What do waves travel through?
A medium
500
What cause waves to start?
When a source of energy causes a medium to vibrate
500
What happens when a wave hits a surface in which it cannot pass?
Reflection occurs
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