lesson 1 and 2 Flashcards
1
Q
sound is technically called __________
A
acoustical energy
2
Q
acoustical energy is the __________ and ________ of a ___________
A
acoustical energy is the pushing and pulling of a physical medium
3
Q
a complete wave cycle consists of ______
A
1/2 cycle of compression and 1/2 cycle of rarefraction
4
Q
the rate of fluctuation is called the ________
A
frequency
5
Q
to be called sound the frequency must be between _____ and _______ cycles per second
A
20 and 20,000 CPS
6
Q
for sound the unit of frequency is _________
A
Hertz
7
Q
at sea level with an air temp of 59 degrees sound waves travel at __________
A
1130 ft per second
8
Q
the speed of sound is ______________ of frequency
A
independent
9
Q
wavelength
A
the physical measurement of a wave
wavelength = speed/frequency
