PHYSICS - VIBRATION AND WAVES EXAMINATION TEST BANK QUESTIONS WITH CORRECT DETAILED ANSWERS GRADED A+
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PHYSICS - VIBRATION AND WAVES
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PHYSICS - VIBRATION AND WAVES
PHYSICS - VIBRATION AND WAVES EXAMINATION TEST BANK QUESTIONS WITH CORRECT DETAILED ANSWERS GRADED A+
what causes interference patterns? - Answer-when waves from diff sources arrive at the same point and time. Increase, decrease and neutralized
how does a standing wave occur? - Answer-by shaki...
PHYSICS - VIBRATION AND WAVES
EXAMINATION TEST BANK
QUESTIONS WITH CORRECT
DETAILED ANSWERS GRADED A+
what causes interference patterns? - Answer-when waves from diff sources arrive at the
same point and time. Increase, decrease and neutralized
how does a standing wave occur? - Answer-by shaking something just right; original
and reflective waves
Is it possible for one wave to cancel another wave so that the combined amplitude is
zero? - Answer-yes. complete destructive interference
at what wavelength can a standing wave form in a vibrating medium? - Answer-if half a
wavelength or a multiple of 1/2 a wavelength fits exactly into the length of the vibrating
medium
how does the frequency of waves change as a wave source moves? - Answer-as wave
sources approach, waves have higher frequency
when a source moves towards you, do you measure an increase or decrease in wave
speed? - Answer-increase
what causes a bow wave? - Answer-a wave source moving faster than the wave it
produces
what causes a shock wave? - Answer-an object moving faster than the speed of sound
define harmonic motion - Answer-any motion that is repetitive and is caused by a
restoring force
define restoring force - Answer-tries to return an object to equilibrium
define linear motion - Answer-goes from here to there; one direction
harmonic or linear?
1. person running
2. the moon
3. clock pendulum
, 4. ocean waves
5. a swing
6. a moving car
7. jumping jacks
8. moving bicycle
9. music
10. flying bird
11. bouncing spring
12. a radio wave - Answer-1. L
2.H
3. H
4. H
5. H
6. L
7. L
8. L/H
9. H
10. L
11. H
12. H
wave motion, yes or no?
1. FM radio
2. car going 70m/s
3. clock pendulum
4. ocean waves
5. music
6. bulldozer
7. earthquakes
8. cellphones - Answer-1. y
2. n
3. n
4. y
5. y
6. n
7. y
8. y
as the frequency of sound increases, the wavelength - Answer-decreases
hertz is equal to - Answer-1/s
s^-1
Hz
if you triple the frequency of a vibrating object, what will happen to its period? - Answer-
1/3
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