Quiz about Waves and Applications

Question 1

A ringing bell makes noise inside a glass jar. Then the air is removed from the glass jar using a vacuum pump. When all of the air leaves the jar, the sound of the ringing bell can no longer be heard.

Which of the following best explains why the students can no longer hear the bell?

Accepted Answer

The air in the jar provides a medium for the sound to travel through.

Answer

Removing the air from the jar allows the bell to ring only very softly.

Answer

The sound in the empty jar is reflected off the inside of the glass sides.

Answer

The difference in pressure inside and outside the glass jar is too great.

Question 2

Which of the waves is carrying the greatest amount of energy?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 3

The table below provides simplified data on the relationship between the amplitude of a wave and the energy the wave carries. Based on the pattern in the table, a wave with an amplitude of 4, would carry how much energy?

Accepted Answer

32

Answer

4

Answer

16

Answer

80

Question 4

Which of the following waves has the highest frequency?

Accepted Answer

A) Radio Waves

Answer

B) Microwaves

Answer

C) Infrared Waves

Answer

D) Gamma Rays

Question 5

Geologists can learn about rock layers beneath the surface of the earth using sound waves. They use a vibration truck to send sound waves into the ground. A measuring truck has special microphones, called geophones that pick up sounds.

This method for learning about rock layers depends on what characteristic of sound waves?

Accepted Answer

Sound waves can travel through and reflect off of rock layers.

Answer

Sound waves require energy, such as electricity, to generate them.

Answer

Sound waves can travel for an unlimited distance from the source that creates them.

Answer

Sound waves are absorbed by dense solids and reflect off liquids.

Question 6

A student places a pencil in a glass of water and observes that the pencil appears to be broken.

Which of these provides the best explanation for why the pencil appears broken?

Accepted Answer

Light rays are bent by the water in the glass.

Answer

The pencil absorbs all the light rays that hit it.

Answer

Water reflects light rays away from the pencil.

Answer

The surface of the water reflects light rays.

Question 7

The illustration shows the path of light leaving a laser pointer.

At what point is the light from the laser being absorbed?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 8

Which of the following is an example of wave interference?

Accepted Answer

Two waves meeting and forming a larger wave

Answer

A wave reflecting off a surface

Answer

A wave being absorbed by a material

Answer

A wave changing direction as it enters a new medium

Question 9

Which of the following best describes the frequency of a wave?

Accepted Answer

The number of waves that pass a point in one second

Answer

The height of the wave from the rest position

Answer

The distance between two consecutive crests

Answer

The speed at which the wave travels

Question 10

Which of the following best describes amplitude?

Accepted Answer

The height of the wave from the rest position

Answer

The distance between two consecutive troughs

Answer

The number of waves that pass a point in one second

Answer

The speed at which the wave travels

Question 11

What is the result when two waves meet and cancel each other out?

Accepted Answer

Destructive interference

Answer

Constructive interference

Answer

Reflection

Answer

Refraction

Question 12

How do electromagnetic waves differ from mechanical waves?

Accepted Answer

Electromagnetic waves can travel through a vacuum

Accepted Answer

Mechanical waves can travel through a vacuum

Answer

Electromagnetic waves require a medium to travel

Answer

Mechanical waves do not undergo reflection

Question 13

What is the effect of increasing the amplitude of a wave?

Accepted Answer

The wave becomes louder or more intense

Answer

The wave travels faster

Answer

The wave frequency increases

Answer

The wave wavelength decreases

Question 14

What is the primary difference between transverse and longitudinal waves?

Accepted Answer

Transverse waves move perpendicular to the direction of energy transfer, while longitudinal waves move parallel.

Answer

Transverse waves require a medium, while longitudinal waves do not.

Answer

Transverse waves can travel through a vacuum, while longitudinal waves cannot.

Answer

Transverse waves have higher frequencies than longitudinal waves.

Question 15

Which of the following is an example of a real-world application of the Doppler effect?

Accepted Answer

The change in pitch of a passing siren

Answer

The reflection of sound waves in a canyon

Answer

The absorption of light by a black hole

Answer

The interference pattern in a double-slit experiment

Question 16

In an experiment, a wave travels through a medium and its speed is measured. Which factor is most likely to affect the speed of the wave?

Accepted Answer

The type of medium

Answer

The frequency of the wave

Answer

The amplitude of the wave

Answer

The wavelength of the wave

Question 17

Which of the following best describes the phenomenon of refraction?

Accepted Answer

A wave changing direction as it enters a new medium

Answer

A wave bouncing off a surface

Answer

Two waves meeting and forming a larger wave

Answer

A wave being absorbed by a material

Question 18

What is the primary function of a prism in the study of light waves?

Accepted Answer

To disperse light into its component colors

Answer

To reflect light waves

Answer

To absorb light waves

Answer

To increase the speed of light waves

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