Quiz about Ch. 17 Mechanical Waves & Sound

Question 1

What kind of wave is pictured below?

Accepted Answer

transverse wave

Answer

longitudinal wave

Answer

sound wave

Answer

mechanical wave

Question 2

What kind of wave is pictured below?

Accepted Answer

logintudinal wave

Answer

transverse wave

Answer

sound wave

Answer

mechanical wave

Question 3

Waves are a transfer of what?

Accepted Answer

Energy

Answer

Heat

Answer

Light

Answer

Food

Question 4

The highest point on a transverse wave is:

Accepted Answer

the crest

Answer

the trough

Answer

the top

Answer

the coast

Question 5

The lowest point on a transverse wave is the:

Accepted Answer

Trough

Answer

Amplitude

Answer

Crest

Answer

Wavelength

Question 6

The type of waves that require medium to pass:

Accepted Answer

Mechanical Waves

Answer

Electromagnetic Waves

Question 7

Which letter(s) represent the trough of the wave?

Accepted Answer

D

Answer

A

Answer

B & D

Answer

C & G

Question 8

Which letter(s) represent the crest of the wave?

Accepted Answer

B & F

Answer

A

Answer

B & D

Answer

F

Question 9

Which letter(s) represent the resting point of the wave?

Accepted Answer

A

Answer

B & D

Answer

B & F

Answer

F

Question 10

Which of the following can a mechanical wave travel through?

Accepted Answer

all of the above

Answer

solid

Answer

liquid

Answer

gas

Question 11

A wave in which the particles of the medium move perpendicularly to the direction the wave is traveling

Accepted Answer

B. transverse wave

Answer

A. surface wave

Answer

C. electromagnetic  wave

Answer

D. longitudinal wave

Question 12

A wave in which the particles of the medium vibrate parallel to the direction of the wave motion

Accepted Answer

C. longitudinal wave

Answer

A. mechanical wave

Answer

B. surface wave

Answer

D. wave

Question 13

What are the spaced out sections of this wave called?

Accepted Answer

Rarefactions

Answer

Reflections

Answer

Compressions

Answer

Wavelengths

Question 14

What are the squished toegher sections of this wave called?

Accepted Answer

Compressions

Answer

Reflections

Answer

Rarefactions

Answer

Wavelengths

Question 15

The material through which a wave travels is?

Accepted Answer

medium

Answer

a rope

Answer

water wave

Answer

snaves

Question 16

What is the resulting direction of a surface wave?

Accepted Answer

circular

Answer

parallel

Answer

opposite

Answer

perpendicular

Question 17

Which is true about a surface wave?

Accepted Answer

It has properties of both transverse and longitudinal waves.

Answer

It only has properties of transverse waves.

Answer

It only has properties of longitudinal waves.

Answer

has neither properties of transverse or longitudinal waves.

Question 18

Which wave in the diagram has the greatest frequency?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 19

Which wave in the diagram has the greatest wavelength?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 20

As the fire truck approached Mary, the pitch of the siren got higher. Once the fire truck passed and moved away, the siren's pitch got lower. This change in pitch is because of a change in the sound wave's

Accepted Answer

frequency.

Answer

concussion.

Answer

amplitude.

Answer

reflection.

Question 21

A wave with a large wavelength will have a ______ frequency and _____ energy

Accepted Answer

low, low

Answer

high, low

Answer

high, high

Answer

low, high

Question 22

Frequency and wavelength are inversely related. If the frequency is high then the wavelength is _____? (2 choices)

Accepted Answer

Low

Accepted Answer

Shorter

Answer

High

Answer

Longer

Question 23

High frequency waves have _________ wavelength.

Accepted Answer

low

Answer

varying

Answer

high

Answer

the same

Question 24

What is the resulting direction of a surface wave?

Accepted Answer

circular

Answer

parallel

Answer

opposite

Answer

perpendicular

Question 25

The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface is called:

Accepted Answer

reflection

Answer

mirror

Answer

laser

Answer

refraction

Question 26

This shows the phenomenon known as....

Accepted Answer

refraction

Answer

reflection

Answer

mirrors

Answer

focal point

Question 27

Refraction is the bending of a wave disturbance as it passes from one _________ into another.

Accepted Answer

medium

Answer

glass

Answer

area

Answer

boundary

Question 28

Which of the following represents refraction?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 29

Two waves come together and interact to form a new, smaller wave.  This process is called

Accepted Answer

destructive interference

Answer

constructive interference

Answer

reflective interference

Answer

positive interference

Question 30

Why does the dog think he is looking at another dog?

Accepted Answer

Light waves are striking the mirror and bouncing off of it.

Answer

Light waves are striking the mirror and going straight through it.

Answer

Light waves are striking the mirror and going into it without going out the other side.

Answer

Light waves are striking the mirror and being bent as they go through it.

Question 31

Question 31.

Accepted Answer

Destructive Interference

Answer

Constructive Interference

Answer

Refraction

Answer

Diffraction

Question 32

Select thesentence that is true about standing waves.

Accepted Answer

A node is a point that has no displacement from the rest position

Answer

Standing waves appear to move through a medium, such as a string.

Answer

Complete destructive interference occurs at antinodes.

Answer

A standing wave will form for any wavelength, as long as two ends of a rope or string are stretched tightly between two points

Question 33

The vibrations you can see when plucking a stringed instrument are examples of what kind of wave?

Accepted Answer

Standing

Answer

Electomagnetic

Answer

Solor

Question 34

Circle the letter of the results that occur when a wave reflects off a fixed boundary

Accepted Answer

The reflected wave will be turned upside down.

Answer

The frequency of the wave will decrease.

Answer

The amplitude will double as it strikes the surface.

Answer

The speed of the wave will decrease.

Question 35

Refraction always involves a change in the ___ and ___ of the wave.

Accepted Answer

speed/direction

Answer

light/reflection

Answer

picth/sound

Question 36

What are the properties of sound waves?

Accepted Answer

speed, intensity/loudness, and frequency/pitch

Answer

speed, rarefraction, frequency/pitch

Answer

speed only

Question 37

Select each sentence that is true about sound. (2 answers)

Accepted Answer

Many behaviors of sound can be explained using a few properties

Accepted Answer

Sound waves are compressions and rarefactions that travel through a medium.

Answer

Sound waves usually travel more slowly in solids than in gases.

Answer

The speed of sound in air is about 30 meters per second.

Question 38

This property is measured in units called decibels.

Accepted Answer

intensity

Answer

loundness

Answer

pitch

Question 39

These properties are affected by the length of tubing in a musical instrument. (2 answers)

Accepted Answer

pitch

Accepted Answer

frequency

Answer

loundess

Answer

intensity

Question 40

These properties depend on factors such as your age and the health of your ears

Accepted Answer

loudness

Accepted Answer

pitch

Answer

frequency

Answer

intensity

Question 41

This property is a physical response to the intensity of sound.

Accepted Answer

loudness

Answer

pitch

Answer

intensity

Answer

frequency

Question 42

Ultrasound is sound at frequencies that are ___than most people are capable of hearing.

Accepted Answer

higher

Answer

lower

Answer

both lower and higher

Question 43

The Doppler effect is a change in sound _____caused by motion of the sound source, motion of the listener, or both

Accepted Answer

frequency

Answer

wave

Answer

crest

Question 44

When an ambulance move TOWARD you it sounds ________ pitched.

Accepted Answer

high

Answer

low

Answer

medium

Question 45

What direction is this object moving?

Accepted Answer

right

Answer

left

Answer

up

Answer

down

Question 46

The pitch of a sound wave relates to the wave's _________________.

Accepted Answer

Frequency

Answer

Amplitude

Answer

Wavelength

Answer

Period

Question 47

You are standing on the side of the road when a police car races past you with its siren on. After the police car passes you, what happens to the pitch of the siren?

Accepted Answer

It decreases

Answer

It increases

Answer

It turns red

Question 48

Look at the picture. Who is experiencing a higher pitched sound?

Accepted Answer

Observer A

Answer

Observer B

Answer

There's no difference

Question 49

Sound is gathered and focused here.

Accepted Answer

outer ear

Answer

middle ear

Answer

inner ear

Question 50

Nerve endings send signals to the brain.

Accepted Answer

inner ear

Answer

outer ear

Answer

middle ear

Question 51

The eardrum is located at the boundary between these two regions of the ear

Accepted Answer

outer ear

Accepted Answer

middle ear

Answer

inner ear

Question 52

Hammer, anvil, and stirrup are located here

Accepted Answer

middle ear

Answer

outer ear

Answer

inner ear

Question 53

Sound vibrations are amplified

Accepted Answer

middle ear

Answer

outer ear

Answer

inner ear

Question 54

Sounds are converted to _____ signals that can be processed or stored in different ways.

Accepted Answer

electronic

Answer

doppler

Answer

musical

Answer

nuclear

Question 55

Many musical instruments vary in pitch by changing the ____ of standing waves.

Accepted Answer

pitch

Answer

distance

Answer

trouph

Answer

lenght

Question 56

The response of a sanding wave to another wave of the same frequncy is called

Accepted Answer

resonance

Answer

reflective sound

Answer

infrasound

Question 57

Theaters are designed to prevent "dead spots" where the volume is reduced by ___ or reflected sound waves.

Accepted Answer

destructive interference

Answer

constructive interference

Answer

resonance

Answer

doppler effect

Question 58

Sound travels FASTEST through which of these materials?

Accepted Answer

Metal

Answer

Air

Answer

Empty space

Answer

Water

Question 59

Which object does sound NOT travel through the fastest?

Accepted Answer

milk

Answer

A chair

Answer

A table

Answer

A football

Question 60

Sound travels the FASTEST through _____________, SLOWER through ______________ and SLOWEST through _________________.

Accepted Answer

solids, liquids, gases

Answer

liquids, solids, gases

Answer

solids, gases, liquids

Answer

gases, liquids, solids

Ch. 17 Mechanical Waves & Sound

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