QUESTION 1

Which type of wave has a wave perpedicular to the disturbance?

surface

tranverse

longitudinal

mechanical
2 points

QUESTION 2

Energy can be transferred from one medium to another through .

colors

stacking objects

an ordered sequence

vibrations
2 points

QUESTION 3

Which is true of a mechanical wave?

It must have a medium.

It must travel in empty space.

It can travel in a vacuum.

Both sound and light are examples.
2 points

QUESTION 4

What is the amplitude of a wave?

the size of the disturbance

the amount of time that occurs in one full cycle

the amount of cycles that occur in a given time

the distance traveled by the wave during one full cycle
2 points

QUESTION 5

Unlike a transverse wave, the disturbance in a longitudinal wave is

parallel to the wave motion.

perpendicular to the wave motion.

in a circular motion.

in the opposite direction of the wave motion.
2 points

QUESTION 6

A transverse wave can be created in a Slinky® by moving it

together and apart.

up and down.

side to side.

in a circle.
2 points

QUESTION 7

Which is true about surface waves?

The disturbance is in a circular motion.

The disturbance is only parallel to the motion of the wave.

The disturbance does not have a specific motion.

The disturbance is only perpedicular to the motion of the wave.
2 points

QUESTION 8

Which of these waves has a disturbance that is only perpendicular to the wave motion?

no wave has a disturbance that is perpendicular

longitudinal waves

transverse waves

surface waves
2 points

QUESTION 9

What is the speed of a wave if the wavelength is 100 m and the period is 20 s?

5 m/s

80 m/s

120 m/s

2,000 m/s
2 points

QUESTION 10

When traveling from a solid to air, what would you expect a sound wave to do?

stay the same speed

slow down

speed up

fluctuate speed
2 points

QUESTION 11

If a crest and a trough in a ripple tank meet, what happens?

Nothing happens.

They add up to form a larger trough.

Constructive interference occurs.

They cancel each other out.
2 points

QUESTION 12

What is an example of a destructive water wave?

tornado

rain

tsunami

earthquake
2 points

QUESTION 13

Which of these results from destructive interference?

Two waves increase their speed together.

Two waves bounce off each other.

Two waves add to each other to form a large wave.

Two waves subtract from each other.
2 points

QUESTION 14

How do sound waves transfer energy?

compression waves

transverse waves

surface waves

light waves
2 points

QUESTION 15

Sound waves can travel through which mediums?

only solids and liquids

only liquids and gases

only solids and gases

solids, liquids, and gases
2 points

QUESTION 16

Which of these is part of the inner ear?

the ossicles

external auditory meatus

organ of Corti

tympanic membrane
2 points

QUESTION 17

When a large amplitude sound vibrates the ear significantly, a results.

loud sound

low pitch

high pitch

soft sound
2 points

QUESTION 18

The A note has a frequency of 440 Hz. What is the wavelength if the speed of sound is 343 m/s?

0.78 m

1.28 m

0.39 m

97 m
2 points

QUESTION 19

Changing the length of an air column will alter its .

beats

Doppler effect

natural frequency

destructive interference
2 points

QUESTION 20

How does loosening a string on a guitar affect its natural frequency?

increases

fluctuates

decreases

stays the same
2 points

QUESTION 21

If the frequency of a wave is decreased, its energy .

decreases

stays the same

fluctuates

increases
2 points

QUESTION 22

If the number of crests that pass a point in a given time increases, what has decreased?

wavelength

intensity

amplitude

frequency
2 points

QUESTION 23

What sound frequency would a human ear not be able to detect?

10 Hertz

10,000 Hertz

1,000 Hertz

100 Hertz
2 points

QUESTION 24

When an observer is moving towards a stationary object making a sound, the pitch of the sound is perceived to be .

lower

unchanged

higher

fluctuating
2 points

QUESTION 25

The Doppler effect is used at baseball games to measure .

speed

weather

moving clouds

temperature
2 points

QUESTION 26

Which best explains why the acoustics underwater affect the Doppler effect?

Sound waves can not travel through water.

Sound waves can not transfer energy through water.

The speed of sound is less in water than in air.

The speed of sound is greater in water than in air.
2 points

QUESTION 27

Traveling at the speed of sound results in what?

resonance

interference

a supersonic boom

a sonic boom
2 points

QUESTION 28

Which speed(s) is/are below the sound barrier in air?
A. 257 m/s

B. 1,030 m/s

C. 10 m/s

C

A, B, and C

A

A and C
2 points

QUESTION 29

Where is the frequency of infrasound in relation to the range of a human's ability to hear?

It is above the human range.

It can be in any range.

It is below the human range.

It is in the human range.
2 points

QUESTION 30

Medical equipment uses ultrasound to process images using .

constructive interference

destructive interference

resonance

the Doppler effect