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Chapter 25 - 1 Review
Test Description: Waves
Instructions: Answer all questions to get your test result.
1) The time needed for a wave to make one complete cycle is its
A
period
B
amplitude
C
frequency
D
wavelength
2) A child swings back and forth on a playground swing. If the length of the swing is shortened, the time it takes for the child to go back and forth
A
remains unchanged
B
decreases
C
increases
D
The child complains
3) The time for a complete to and fro swing of a pendulum is its frequency.
A
False
B
Sometime false
C
True
D
Sometimes true
4) The Hertz is a
A
unit for period
B
unit for amplitude
C
cycles per second
D
type of car
5) Which of the following is NOT a transverse wave?
A
light
B
radio wave
C
all of the choices
D
sound
6) When two or more waves are at the same place at the same time, the resulting effect is called
A
Doppler Effect
B
shock wave
C
interference
D
bow wave
7) Where can you touch a standing wave on a rope without disturbing the wave?
A
At an antinode
B
At a node
C
At any place along the wave
D
crest
8) Suppose a bug is jiggling up and down and moving towards you at the same time. Compared to the frequency at which the bug is emitting waves, the frequency of the waves reaching you
A
is higher
B
is lower
C
not enough information
D
is the same
9) If you double the frequency of a vibrating object, its period
A
is cut in half
B
doesn\'t change
C
is multiplied by 4
D
doubles
10) Waves transfer _______, not __________.
A
energy, matter
B
water, matter
C
sound, matter
D
none of the above
*select an answer for all questions
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