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Introduction to Waves (JRiggle)
By Jennifer Riggle
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Last updated over 2 years ago
14 questions
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Designed to accompany this video from PBS: https://www.pbs.org/video/chemistry-physics-physics-1101-introduction-waves/
Question 1
1.
What does every wave start as?
A disturbance that makes something move back and forth.
The ocean.
An earthquake.
One person stands up and then everybody else stands up at the same time.
Question 2
2.
Which word describes the number of vibrations a pendulum or wave makes per second?
amplitude
period
frequency
pendulum
Question 3
3.
What affects the period of a pendulum?
amplitude
length
weight
mass
Question 4
4.
What do waves transfer?
matter
energy
balances
phone calls
Question 5
5.
What is the difference between a wave pulse and a wave train?
A wave pulse is a single disturbance, while a wave train is a continuous wave that repeats the disturbance.
A wave train is a single disturbance, while a wave pulse is a continuous wave that repeats the disturbance.
A wave pulse is the same as a wave train.
A wave pulse has more energy than a wave train.
Question 6
6.
In a transverse wave - what direction do the particles vibrate in relation to the direction of travel?
parallel (the same)
perpendicular (90 degrees/right angle)
Question 7
7.
What is the highest point of a wave called?
amplitude
period
trough
crest
Question 8
8.
Are water waves transverse or longitudinal?
transverse
longitudinal
both
Question 9
9.
What affects the amplitude of a wave?
length
frequency
energy
medium
Question 10
10.
To increase the frequency of a pendulum -
increase the mass
decrease the mass
increase the length
decrease the length
Question 11
11.
A wave transfers _______ from one location to another.
matter
energy
both matter and energy
neither matter nor energy
Question 12
12.
A mechanical wave
requires a medium
cannot travel through empty space
can be transverse or longitudinal
all of these
Question 13
13.
The amplitude of a wave is the __________
distance between the top of a crest to the bottom of a trough.
maximum displacement from the equilibrium position
distance from crest to crest
distance from trough to trough
Question 14
14.
The speed of a wave depends on ________
the medium through which it travels
the amplitude of the wave
the frequency of the source
all of these