How is a compression described on a longitudinal wave?

area of high pressure in the medium

Which statement is completely correct about mechanical waves?

must travel thru medium , stansfers energy, ex is sound

In what medium do sound waves travel slowest? Why?

slowest in gases because particles are farthest apart

What is a standing wave?

wave appears to vibrate in 1 place

Describe wave and particle motion in a longitudinal wave.

particles move parallel to wave motion

What is the correct definition of wavelength?

length of 1 complete wave cycle

Constructive interference occurs when ______ overlaps ______ causing the wave to appear __________.

crest overlaps crest, appears bigger

Which statement is completely correct about the Law of Conservation of Energy?

All answers together must be included to be correct

Describe particle and wave motion in a transverse wave.

particle move perpendicular to wave motion

What is a traveling wave?

wave energy is transmitted with definite speed and direction

According to the Doppler Effect, why does sound increase in pitch as an object approaches you?

Waves are closer together because the object is moving toward you

Doppler Effect: Why are sirens higher pitched as vehicles drive toward a person, then lower pitched as it drives away?

Waves compress as it drives toward people & decompressed as it drives away

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S1 U7 Waves

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Questions 29

Answers

1
What is the best way to measure 1 wavelength?
D to B
C to E
A to F
C to D
2
How is a compression described on a longitudinal wave?
area of low pressure in the medium
area of zero pressure in the medium
area of high pressure in the medium
area of high altitude in the medium
3
What type of wave does the picture represent?
traveling
longitudinal
transverse
standing
4
How often the particles in a medium vibrate is called the ________.
cycles
amplitude
frequency
period
5
Which statement is completely correct about mechanical waves?
must travel thru vaccum, transfers energy & matter, ex light
may travel thru medium or vaccum, transfers matter, ex is sound
may travel thru medium or vaccum,, transfers energy, ex is light
must travel thru medium , stansfers energy, ex is sound
6
What is the distance from rest to crest OR from rest to trough?
wavelength
frequency
period
amplitude
7
In what medium do sound waves travel slowest? Why?
slowest in gases because particles are farthest apart
slowest in solids because particles are lowest energy
slowest in liquids because particles are fluid
same speed in all mediums because sound vibrates all particles
8
What is a standing wave?
wave energy is transmitted with definite speed and direction
wave particles travel from 1 place to another
wave appears to vibrate in 1 place
wave breaks as 2 waves cross
9
Describe wave and particle motion in a longitudinal wave.
particles do not move
particles move parallel to wave motion
particle move perpendicular to wave motion
particles move with the wave
10
Particles that have both longitudinal and transverse waves at the same time are called...
constructive wave
earthquake wave
standing wave
surface wave
11
Which type of wave can ONLY travel through a medium?
light waves
Electromagnetic waves
Mechanical waves
radio waves
12
When a car passes a pedestrian, the change in pitch is perceived by...
the pedestrian
neither the driver, nor the pedestrian
both the driver and pedestrian
the driver of the car
13
Which type of wave is this picture?
standing wave
transverse wave
surface wave
longitudinal wave
14
What is the time required from 1 wave cycle?
amplitude
wavelength
period
frequency
15
What did we change in the waves lab to test wave frequency?
tension on string
length of string
how hard string was plucked
type of string
16
What is the correct definition of wavelength?
same as pitch
length of 2 complete wave cycles
length of 1 complete wave cycle
speed at which a wave travels
17
Constructive interference occurs when ______ overlaps ______ causing the wave to appear __________.
crest overlaps trough, appearing bigger
crest overlaps trough, appears smaller
crest overlaps crest, appears bigger
nothing overlaps, appears the same
18
Which type of wave can travel through a medium or a vacuum?
Electromagnetic waves
ocean waves
sound waves
Mechanical waves
19
How do particles in a surface wave move?
C
D
A
B
20
Which statement is completely correct about the Law of Conservation of Energy?
energy can be transformed from 1 type of energy to another
energy cannot be created or destroyed
energy can be transferred place to place
All answers together must be included to be correct
21
Musical instruments are grouped by...
What they are made of
How the pitch is produced
Their frequency range
Nothing! It is a free for all!
22
What type of wave was shown on the oscilloscope in the waves lab?
transverse
traveling
longitudinal
standing
23
Describe particle and wave motion in a transverse wave.
particle move perpendicular to wave motion
particles move parallel to wave motion
particles move with the wave
particles do not move
24
What is a traveling wave?
wave breaks as 2 waves cross
wave particles travel from 1 place to another
wave appears to vibrate in 1 place
wave energy is transmitted with definite speed and direction
25
According to the Doppler Effect, why does sound increase in pitch as an object approaches you?
The sound is louder as the source gets closer
Waves are closer together because the object is moving toward you
Objects vibrate faster when they move forward
Objects vibrate slower when they move forward
26
What is the distance from crest to crest OR from trough to trough?
frequency
amplitude
wavelength
period
27
Waves transmit...
medium/matter
water
sound
energy
28
Doppler Effect: Why are sirens higher pitched as vehicles drive toward a person, then lower pitched as it drives away?
Waves are stronger as it drives toward people & weaker as it drives away
Vehicle had engine problems that made the sound change with distance
The person's hearing cannot keep up with the moving vehicle
Waves compress as it drives toward people & decompressed as it drives away
29
Review! 70kg ball falling 20m at 50m/s. Calculate KE
87,500 J
1,750 J
70,000 J
3,361 J

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