Waves and Wave Speed Flashcards
1
Q
For light, frequency represents what?
A
Color
2
Q
For sound, amplitude represents what?
A
Volume
3
Q
For light, amplitude represents what?
A
Brightness
4
Q
What is wave speed dependent on?
A
The medium through which something travels
5
Q
What is the speed of sound in aid?
A
340 m/s
6
Q
What is the speed of light?
A
300,000,000 m/s
7
Q
For sound, frequency represents what?
A
Pitch
8
Q
Identify the amplitude, wavelength, period, frequency, and speed:
y = 2.5sin(pi • x/2 - .6 • pi • t)
A
Amplitude = 2.5 Wavelength = 4 Period = 1/3 Frequency = 1/1/3 = 3 Speed = v = l•f = (4)(3) = 12
9
Q
What are the two types of wave interference?
A
Constructive and destructive
10
Q
What is the human hearing range?
A
20 Hz - 20kHz
