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Waves
Test Description: 25.1-25.2
Instructions: Answer all questions to get your test result.
1) The source of all wave motion is
A
the movement of matter.
B
regions of variable high anf low pressure.
C
a harmonic object.
D
something that vibrates.
2) The time needed for a wave to make one complete cycle is its
A
velocity.
B
amplitude.
C
period.
D
frequency.
3) The distance between successive identical parts of a wave is called its
A
frequency.
B
amplitude.
C
wavelength.
D
period.
4) Frequency and period are directly related.
A
False
B
True
5) If you double the frequency of a vibrating object, its period is
A
cut in half.
B
quadrupled.
C
quartered.
D
doubled.
6) Waves transmit energy not matter.
A
True
B
False
7) Which of the following will have an affect on the period of a pendulum.
A
Mass attached to it.
B
Neither mass nor length.
C
Length of the string.
D
Both length of the string and mass attached.
8) Frequency is measured in
A
hertz
B
meters per second
C
seconds
D
meters
9) A pendulum with a length of 25 cm is swung back and forth with a 30 g mass attached to it. If you add another 30 g mass to the end of the 25 cm pendulum, its period will
A
stop.
B
increase.
C
decrease.
D
not change.
10) The number of waves/vibrations per unit time.
A
crest
B
amplitude
C
period
D
frequency
*select an answer for all questions
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