a longitudinal wave is:

A longitudinal wave is:

A wave

where t.

..

A wave

where t.

..

50%50%1. A wave where the particle oscillation is perpendicular to the direction of wave motion

2. A wave where the particle oscillation is perpendicular to the direction of wave motion

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Response GridResponse Grid

How many nodes and antinodes?

4, 5 5, 8 5, 4 4, 8

50%

0%

50%

0%

1. 4, 5

2. 5, 8

3. 5, 4

4. 4, 8

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Response GridResponse Grid

Which of the following sources of sound has the shortest

wavelength?

A female so

prano si

nger...

A bass g

uitar a

t 150 H

z

A male voice

at 500 H

z

The rumble of t

hunder a...

0% 0%0%

100%1. A female soprano singer at 2,000 Hz

2. A bass guitar at 150 Hz

3. A male voice at 500 Hz

4. The rumble of thunder at 75 Hz

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Response GridResponse Grid

When waves interference constructively to produce a pattern of light and dark regions they are

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Out o

f phase

In phase

Standing w

aves

Cancellin

g one anoth

er

25% 25%25%25%

1. Out of phase

2. In phase

3. Standing waves

4. Cancelling one another

Response GridResponse Grid

When a distant object approaches you, such as a galaxy in outer

space, you will observe

The

Dopple

r ef..

.

Blu

e sh

ift

Red

shift

Both

1 &

2

Both

1 &

3

0% 0% 0%0%0%

1. The Doppler effect

2. Blue shift

3. Red shift

4. Both 1 & 2

5. Both 1 & 3

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Response GridResponse Grid

Leader Board

Two successive crests of a transverse wave are 1.20 m apart. Eight crests

pass a given point every 12.0 s. What is the wave speed?

0.6

67 m

/s

1.8

0 m

/s

0.8

00 m

/s

9.6

0 m

/s

0% 0%0%0%

1. 0.667 m/s

2. 1.80 m/s

3. 0.800 m/s

4. 9.60 m/s

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Response GridResponse Grid

The period of a pendulum may be decreased by

Shorte

ning it

s...

Incr

easi

ng th

e...

Movi

ng its

equ

...

Incr

easi

ng its

...

0% 0%0%0%

1. Shortening its length

2. Increasing the mass of the bob

3. Moving its equilibrium point

4. Increasing its length

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Response GridResponse Grid

If the pendulum completes exactly 12 cycles in 2.0 minutes, what is the frequency of the pendulum?

0.1

0 Hz

0. 1

7 Hz

6.0

Hz

10

Hz

0% 0%0%0%

1. 0.10 Hz

2. 0. 17 Hz

3. 6.0 Hz

4. 10 Hz

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Response GridResponse Grid

The period of this wave is…

2 s

econds

4 s

econds

6 s

econds

0% 0%0%

1. 2 seconds

2. 4 seconds

3. 6 seconds

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Response GridResponse Grid

The amplitude of this wave is…

4.8

met

ers

4.0

met

ers

2.4

met

ers

0% 0%0%

1. 4.8 meters

2. 4.0 meters

3. 2.4 meters

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Response GridResponse Grid

Leader Board

0 Participant 1

0 Participant 2

0 Participant 3

0 Participant 4

0 Participant 5

A wave with an amplitude of 0.75 m has the same wavelength as a second wave with an

amplitude of 0.53 m. The two waves interfere. What is the amplitude of the

resultant wave if the interference is constructive?

0.2

2 m

0.5

3 m

0.7

5 m

1.2

8 m

0% 0%0%0%

1. 0.22 m

2. 0.53 m

3. 0.75 m

4. 1.28 m

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Response GridResponse Grid

A total of 5 s passes as a child completes one complete swing on a playground swing. The period of

the swing is

1/5

s 2

0 s

5 s

1 s

0% 0%0%0%

1. 1/5 s

2. 20 s

3. 5 s

4. 1 s

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Response GridResponse Grid

The frequency of a certain pendulum is 0.5 Hz. The period of

this pendulum is

0.2

s 0

.5 s

2 s

5 s

0% 0%0%0%

1. 0.2 s

2. 0.5 s

3. 2 s

4. 5 s

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Response GridResponse Grid

Which of the following factors has the greatest effect on the frequency

of a swinging pendulum?

Fric

tion

Am

plitude

Mas

s

Len

gth

0% 0%0%0%

1. Friction

2. Amplitude

3. Mass

4. Length

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Response GridResponse Grid

If a given pendulum is moved from Earth to a location where the gravitational

acceleration is greater than Earth’s, the frequency of the pendulum’s swing will

Incr

ease

Dec

reas

e

Be

unchan

ged

Var

y with

the

mas

s o.

..

0% 0%0%0%

1. Increase

2. Decrease

3. Be unchanged

4. Vary with the mass of the bob

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Response GridResponse Grid

Leader Board

0 Participant 1

0 Participant 2

0 Participant 3

0 Participant 4

0 Participant 5

The material through which a mechanical wave travels is

A m

ediu

m

Em

pty s

pace

Wat

er

Air

0% 0%0%0%

1. A medium

2. Empty space

3. Water

4. Air

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Response GridResponse Grid

The human voice has been shown to be capable of shattering a glass.

This is possible due to…

Resonance

Doppler E

ffect

Inte

rfere

nce

Harm

onics

Timbre

0% 0% 0%0%0%

1. Resonance

2. Doppler Effect

3. Interference

4. Harmonics

5. Timbre

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Response GridResponse Grid

When a transverse wave passes through water, water molecules are

displaced

Per

man

ently

in th

e di..

.

Per

man

ently

in a

dire

...

Tem

poraril

y in

the

dir...

Tem

poraril

y in

a d

irec.

..

0% 0%0%0%

1. Permanently in the direction of the wave motion

2. Permanently in a direction perpendicular to the wave

3. Temporarily in the direction of the wave motion

4. Temporarily in a direction perpendicular to the wave

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Response GridResponse Grid

You are traveling in a car near by a moving train. The train sounds its whistle, but you fail to hear the Doppler effect. This may be

because…

You are travelin

g away ...

You are travelin

g toward

...

You are travelin

g at the...

You are travelin

g away ...

You are travelin

g toward

...

0% 0% 0%0%0%

1. You are traveling away from the train too fast to detect it

2. You are traveling towards the train too fast to detect it

3. You are traveling at the same speed as the train

4. You are traveling away from the train too slowly to detect it

5. You are traveling towards the train to slowly to detect it

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Response GridResponse Grid

The distance between two troughs of a transverse wave is the wave’s

Am

plitude

Wav

elen

gth

Fre

quency

Rar

efac

tion

0% 0%0%0%

1. Amplitude

2. Wavelength

3. Frequency

4. Rarefaction

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Response GridResponse Grid

Leader Board

0 Participant 1

0 Participant 2

0 Participant 3

0 Participant 4

0 Participant 5

Suppose you are dangling your foot in a swimming pool, making ripples (waves) by moving your foot

up and down. What could you do to make the ripples travel faster through the water?

Move

you

r foot u

p a..

Move

you

r foot u

p a..

Move

you

r foot u

p an...

None

of the

abo

ve

0% 0%0%0%

1. Move your foot up and down more frequently

2. Move your foot up and down less frequently

3. Move your foot up and down more strongly

4. None of the above

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Response GridResponse Grid

A wave is passing through a uniform medium. As the frequency of this wave increases, its wavelength

Dep

ends

on am

plitude

Dec

reas

es

Incr

ease

s

Does

not

chan

ge

0% 0%0%0%

1. Depends on amplitude

2. Decreases

3. Increases

4. Does not change

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Response GridResponse Grid

A ____ wave travels through a medium as a series of

compressions and rarefactions.

Sin

e

Longi

tudin

al

Puls

e

Tra

nsver

se

0% 0%0%0%

1. Sine

2. Longitudinal

3. Pulse

4. Transverse

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Response GridResponse Grid

When two transverse waves traveling through a medium meet and exactly coincide, the resulting

displacement of the medium

Is th

e su

m o

f the

dis

...

Is ze

ro

Is a

lway

s gre

ater

than

...

Is a

lway

s des

truct

ive

0% 0%0%0%

1. Is the sum of the displacements of each wave

2. Is zero

3. Is always greater than the displacement of either wave alone

4. Is always destructive

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Response GridResponse Grid

When two waves having displacements in opposite

directions meet, ____ occurs.

Com

plete

des

tr...

No in

terfe

renc.

..

Const

ruct

ive

i...

Des

truct

ive

in...

0% 0%0%0%

1. Complete destructive interference

2. No interference

3. Constructive interference

4. Destructive interference

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Leader Board

0 Participant 1

0 Participant 2

0 Participant 3

0 Participant 4

0 Participant 5

A wave pattern on a stretched string appears to be stationary.

This wave pattern is an example of

A lo

ngitu

dinal

wav

e

A n

on-per

iodic

wav

e

A p

ulse

wave

A s

tand

ing w

ave

0% 0%0%0%

1. A longitudinal wave

2. A non-periodic wave

3. A pulse wave

4. A standing wave

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Response GridResponse Grid

In a standing wave on a vibrating string, a point that appears to

remain stationary is a(n)

Antin

ode

Poin

t of c

onstru

ctiv

e ...

Node

rare

fact

ion

0% 0%0%0%

1. Antinode

2. Point of constructive interference

3. Node

4. rarefaction

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Response GridResponse Grid

An ocean wave has a frequency of 2 Hz and a speed of 20 m/s. What

is the wavelength of this wave?

0.1

m 5

m 1

0 m

40

m

0% 0%0%0%

1. 0.1 m

2. 5 m

3. 10 m

4. 40 m

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Response GridResponse Grid

Two waves meet and interfere constructively. Which one of the

following factors increases?

Per

iod

Fre

quency

Am

plitude

Wav

elen

gth

0% 0%0%0%

1. Period

2. Frequency

3. Amplitude

4. Wavelength

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Response GridResponse Grid

You sit in the audience and listen to a concert band play. Which

instruments sound reaches your ears first, the flute or the trombone?

The

flute

The

trom

bone

They

reac

h your e

ars

..

0% 0%0%

1. The flute

2. The trombone

3. They reach your ears at the same time.

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Leader Board

0 Participant 1

0 Participant 2

0 Participant 3

0 Participant 4

0 Participant 5

A string is rigidly attached to a post at one end. Several pulses of amplitude 0.15 m sent down the

string are reflected at the post and travel back down the string without a loss of amplitude. What is the amplitude at a point on the string where the

maximum displacement points of two pulses cross? What type of interference is this?

0.3

0 m

; cons

tr...

0.3

0 m

; des

tru...

0.0

0 m

; cons

tr...

0.0

0 m

; des

tru...

0% 0%0%0%

1. 0.30 m; constructive

2. 0.30 m; destructive

3. 0.00 m; constructive

4. 0.00 m; destructive

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Response GridResponse Grid

A string is attached to a post loosely and free to move. Several pulses of amplitude 0.15 m sent

down the string are reflected at the post and travel back down the string without a loss of amplitude.

What is the amplitude at a point on the string where the maximum displacement points of two pulses cross? What type of interference is this?

0.3

0 m

; cons

truct

ive

0.3

0 m

; des

truct

ive

0.0

0 m

; cons

truct

ive

0.0

0 m

; des

truct

ive

0% 0%0%0%

1. 0.30 m; constructive

2. 0.30 m; destructive

3. 0.00 m; constructive

4. 0.00 m; destructive

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Response GridResponse Grid

What type of wave is a sound wave?

Mech

anical a

nd Transv

erse

Mech

anical a

nd Longitu

...

Electr

omagnetic a

nd Tr...

Electr

omagnetic a

nd Lon...

0% 0%0%0%

1. Mechanical and Transverse

2. Mechanical and Longitudinal

3. Electromagnetic and Transverse

4. Electromagnetic and Longitudinal

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Response GridResponse Grid

The main factor that determines the speed of a sound wave is…

The amplitude

The frequency

The inte

nsity

The properti

es...

The wave

length

0% 0% 0%0%0%

1. The amplitude

2. The frequency

3. The intensity

4. The properties of the medium

5. The wavelength

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Response GridResponse Grid

Which of the following factors determines the pitch of a sound?

Amplitude

Inte

nsity

Frequency

Phase

Speed

0% 0% 0%0%0%

1. Amplitude

2. Intensity

3. Frequency

4. Phase

5. Speed

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Response GridResponse Grid

Leader Board

0 Participant 1

0 Participant 2

0 Participant 3

0 Participant 4

0 Participant 5

While driving, you hear a police car siren approaching from behind. If the siren

produces a 1500 Hz sound, you will hear a sound…

Gre

ater t

han 1...

Less

than 1500...

Equal

to 1500 ...

You will

not b...

0% 0%0%0%

1. Greater than 1500 Hz

2. Less than 1500 Hz

3. Equal to 1500 Hz

4. You will not be able to hear this sound

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Response GridResponse Grid

At room temperature, sound will travel most slowly through which of

the following?

Iron

Wate

r

Aluminum

Mercu

ry

Heliu

m

0% 0% 0%0%0%

1. Iron

2. Water

3. Aluminum

4. Mercury

5. Helium

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Response GridResponse Grid

An observer waits for an approaching train. The train blows its whistle approaches the station at a constant speed. The frequency

of sound detected by the observer compared to the original whistle will be…

higher lo

wer

Incre

asingly

h...

Incre

asingly

l...

0% 0%0%0%

1. higher

2. lower

3. Increasingly higher

4. Increasingly lower

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Response GridResponse Grid

Final Leader Board

0 Participant 1

0 Participant 2

0 Participant 3

0 Participant 4

0 Participant 5