A longitudinal wave is:

A w

ave

where

the

osci..

.

A w

ave

where

the

osci..

.

94%

6%

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

2. A wave where the oscillation is in the same direction as the direction of motion

How many nodes and antinodes?

4, 5

5, 8

5, 4

4, 8

13%

0%

81%

6%

1. 4, 5

2. 5, 8

3. 5, 4

4. 4, 8

If the amplitude is twice as big, which of the following is true of a

pendulum?

The

pendu

lum

swin

..

Its

perio

d is

twic

e as

...

Its

freque

ncy is

twic

e...

It m

ust h

ave

twic

e th

...

56%

0%

19%25%

1. The pendulum swings twice as far away from the center

2. Its period is twice as long

3. Its frequency is twice as high

4. It must have twice the mass

In any system in simple harmonic motion, the restoring force acting on the mass in

the system is proportional to

Dis

place

men

t

The

leng

th o

f a p

en...

The

mas

s

freq

uency

71%

7%7%14%

1. Displacement

2. The length of a pendulum

3. The mass

4. frequency

Which of the following sources of sound has the shortest

wavelength?

A fe

mal

e so

prano s

in...

A b

ass

guitar a

t 150

Hz

A m

ale

voic

e at

500

Hz

The

rum

ble

of thun

der...

100%

0%0%0%

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

Leader Board

500 Houlahan

500 Fejko

500 Stafford

500 Gallagher

400 Rusk

400 21. Yonkers

400 Longstaff

400 Lambert

400 Ward

400 O'Callaghan

In an oscillating mass-spring system, the velocity of the mass is

greatest when the mass is

At t

he poin

t of m

axim

..

Hal

fway

bet

wee

n the.

..

At a

poin

t wher

e ac

ce...

At t

he eq

uilibriu

m p

oint

13%

56%

13%19%

1. At the point of maximum displacement

2. Halfway between the equilibrium point and maximum displacement

3. At a point where acceleration is greatest

4. At the equilibrium point

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

14%

0%

57%

29%

1. 0.667 m/s

2. 1.80 m/s

3. 0.800 m/s

4. 9.60 m/s

The period of a pendulum may be decreased by

Shorte

ning it

s le

ngth

Incr

easi

ng th

e m

ass

o...

Movi

ng its

equ

ilibr

iu...

Dec

reas

ing th

e m

ass

..

94%

0%0%6%

1. Shortening its length

2. Increasing the mass of the bob

3. Moving its equilibrium point

4. Decreasing the mass of the bob

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

44%

19%

25%

13%

1. 0.10 Hz

2. 0. 17 Hz

3. 6.0 Hz

4. 10 Hz

As the swinging bob of a pendulum moves farther from its equilibrium position, the

pendulum’s _________ increases

Fre

quency

Mas

s

Res

torin

g forc

e

Len

gth

6%

19%

75%

0%

1. Frequency

2. Mass

3. Restoring force

4. Length

Leader Board

900 Stafford

800 Rusk

800 21. Yonkers

800 Houlahan

800 Fejko

800 Lambert

800 Ward

700 Hradisky

700 French

700 Opet

The period of this wave is…

2 s

econds

4 s

econds

6 s

econds

6% 6%

88%

1. 2 seconds

2. 4 seconds

3. 6 seconds

A

The amplitude of this wave is…

4.8

met

ers

4.0

met

ers

2.4

met

ers

0%

100%

0%

1. 4.8 meters

2. 4.0 meters

3. 2.4 meters

A

The GPE of the bob of a swinging pendulum is at its maximum when

the bob is at

Max

imum

dis

plac

emen

t

The

equili

brium

poi

nt

The

cente

r of i

ts s

win

g

Min

imum

dis

place

men

t

81%

13%0%

6%

1. Maximum displacement

2. The equilibrium point

3. The center of its swing

4. Minimum displacement

In a system in simple harmonic motion, the amplitude depends on

Fre

quency

Wav

elen

gth

The

positio

n o...

Ener

gy of t

he ...

19%

69%

0%

13%

1. Frequency

2. Wavelength

3. The position of the equilibrium point

4. Energy of the system

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

6%

94%

0%0%

1. 0.22 m

2. 0.53 m

3. 0.75 m

4. 1.28 m

Leader Board

1400 Stafford

1300 Rusk

1300 21. Yonkers

1300 Houlahan

1300 Fejko

1300 Ward

1200 Lambert

1200 Opet

1200 Buzalka

1100 Hradisky

A slinky is stretched to a length of 7 m. All of the following standing wave wavelengths are possible

except…

21

m 1

4 m

7 m

3.5

m

57%

21%

14%

7%

1. 21 m

2. 14 m

3. 7 m

4. 3.5 m

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

31%

0%

69%

0%

1. 1/5 s

2. 20 s

3. 5 s

4. 1 s

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%

13%

87%

0%

1. 0.2 s

2. 0.5 s

3. 2 s

4. 5 s

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

of a swinging pendulum?

Fric

tion

Am

plitude

Mas

s

Len

gth

8%

69%

8%15%

1. Friction

2. Amplitude

3. Mass

4. Length

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.

..

38%

0%

15%

46%

1. Increase

2. Decrease

3. Be unchanged

4. Vary with the mass of the bob

Leader Board

1800 Houlahan

1700 Rusk

1700 Fejko

1700 Ward

1700 Stafford

1600 21. Yonkers

1500 Lambert

1400 Gallagher

1400 Buzalka

1300 Hradisky

You have constructed an oscillating mass-spring system for an experiment.

In order to increase the frequency of the system, you could

Dec

reas

e th

e in

itial

d...

Use

a g

reat

er m

ass

Use

a s

pring

with a

h...

Incr

ease

the

perio

d o...

0% 0%0%0%

1. Decrease the initial displacement

2. Use a greater mass

3. Use a spring with a higher spring constant

4. Increase the period of oscillation

10

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

amplitude of 0.53 m. If the two waves destructively interfere, what is the amplitude

of the resultant wave?

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

10

If the length of a pendulum gets longer, the period of the pendulum:

Get

s lo

nger

Get

s sh

orter

Sta

ys th

e sa

me

Not e

nough in

form

atio

n

0% 0%0%0%

1. Gets longer

2. Gets shorter

3. Stays the same

4. Not enough information

10

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

10

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

10

Leader Board

0 Participant 1

0 Participant 2

0 Participant 3

0 Participant 4

0 Participant 5

A wave that is produced by a single motion that does not repeat is a

________.

Tra

nsver

se w

av...

Contin

uous w

av...

Puls

e

Com

press

ion

0% 0%0%0%

1. Transverse wave

2. Continuous wave

3. Pulse

4. Compression

10

The distance between two successive 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

10

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 above10

When a wave on a rope strikes a free boundary, the wave is

Ref

lect

ed a

nd in

verte

d

Ref

lect

ed b

ut n

ot in.

..

Not r

efle

ctio

n

abso

rbed

0% 0%0%0%

1. Reflected and inverted

2. Reflected but not inverted

3. Not reflection

4. absorbed

10

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

10

Leader Board

0 Participant 1

0 Participant 2

0 Participant 3

0 Participant 4

0 Participant 5

If the amplitude of a mechanical wave is tripled, the rate of energy transfer of the wave is _____ .

Incr

ease

d by

a...

Dec

reas

ed b

y a.

..

Incr

ease

d by

a...

Dec

reas

ed b

y a.

..

0% 0%0%0%

1. Increased by a factor of 9

2. Decreased by a factor of 9

3. Increased by a factor of 3

4. Decreased by a factor of 3

10

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

10

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 destructive10

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

10

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

10

Leader Board

0 Participant 1

0 Participant 2

0 Participant 3

0 Participant 4

0 Participant 5

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

10

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

10

Two waves meet and interfere constructively. Which one of the

following factors increases?

Per

iod

Fre

quency

Wav

elen

gth

None

of the

ab.

..

0% 0%0%0%

1. Period

2. Frequency

3. Wavelength

4. None of the above

10

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.

10

If a 48 kg mass oscillates on a spring with a spring constant of 12

N/m, what is the period of the oscillation?

0% 0%0%0%

1. 8π seconds

2. 4π seconds

3. π seconds

4. π/2 seconds

10

Leader Board

0 Participant 1

0 Participant 2

0 Participant 3

0 Participant 4

0 Participant 5

A certain oscillating mass-spring system has a period of 1.2 s with a 1.0 kg mass. What

will the period be when a 4.0 kg mass is substituted for the 1.0 kg mass?

4.8

s 2

.4 s

0.6

s 0

.3 s

0% 0%0%0%

1. 4.8 s

2. 2.4 s

3. 0.6 s

4. 0.3 s

10

The spring constant in a given oscillating mass-spring system may

be changed by

Incr

easi

ng th

e m

ass

Dec

reas

ing th

e m

ass

Dec

reas

ing th

e in

itial

...

None

of the

abo

ve

0% 0%0%0%

1. Increasing the mass

2. Decreasing the mass

3. Decreasing the initial displacement

4. None of the above

10

If the pendulum’s length is 2.00 m and the acceleration due to gravity is 9.80 m/s2, how many complete oscillations does the pendulum

make in 5.00 min?

1.76

21.6

106

239

0% 0%0%0%

1. 1.76

2. 21.6

3. 106

4. 239

10

In an oscillating mass-spring system, the distance of the

maximum compression distance of the spring is a measure of

Am

plitude

Fre

quency

Per

iod

Equili

brium

0% 0%0%0%

1. Amplitude

2. Frequency

3. Period

4. Equilibrium

10

Final Leader Board

0 Participant 1

0 Participant 2

0 Participant 3

0 Participant 4

0 Participant 5