Quiz about Unit 4 Study Guide Waves

Question 1

A student makes several statements about the wave shown below. Statements: 1. It has an amplitude of 8 cm. 2. It has a wavelength of 10 cm. 3. It is traveling in one direction. 4. It is traveling through a vacuum. Which of these statements demonstrates that the wave is an electromagnetic wave and not a mechanical wave?

Accepted Answer

statement 4

Answer

statement 1

Answer

statement 2

Answer

statement 3

Question 2

A student asks a series of questions about a wave. The answer to which question will allow the student to determine whether the wave is electromagnetic or mechanical?

Accepted Answer

Does it require a medium in order to travel?

Answer

Does it have a measurable speed?

Answer

Does it have a measurable frequency?

Answer

Can it pass through air and water?

Question 3

A student reads that radio waves are considered safe, while X-rays are dangerous. The student examines an electromagnetic spectrum shown below. Based on this information, which statement can the student BEST make to explain the difference between radio waves and X-rays?

Accepted Answer

The shorter wavelength of X-rays indicates that they have more energy.

Answer

The shorter wavelength of X-rays indicates that they are less common.

Answer

The shorter wavelength of X-rays indicates that they have a higher temperature and can more easily cause burns.

Answer

The shorter wavelength of X-rays indicates that their particles are heavier and can travel farther through matter.

Question 4

A student examines the diagram shown below comparing two sound waves. The student wants to use bar graphs to model the relative energies of these waves. Which bar graph is MOST appropriate for the student to use?

Accepted Answer

Option C

Answer

Option A

Answer

Option B

Answer

Option D

Question 5

Which graph should the student use for wavelength change during the same period when frequency is increasing?

Accepted Answer

Graph B

Answer

Graph A

Answer

Graph C

Answer

Graph D

Question 6

A student is making a model of the electromagnetic spectrum. Which text should the student use for label 1 to describe other properties of waves shown?

Accepted Answer

LOW FREQUENCY, LOW ENERGY

Answer

LOW FREQUENCY, HIGH ENERGY

Answer

HIGH FREQUENCY, LOW ENERGY

Answer

HIGH FREQUENCY, HIGH ENERGY

Question 7

The diagram represents a transverse wave at a moment in time as it travels to the right through a medium. Point A represents a particle of the medium. In which direction will particle A move next?

Accepted Answer

up

Answer

right

Answer

down

Answer

left

Question 8

Jude noticed that when he places a spoon underwater, the spoon appeared to bend. What causes the spoon to appear bent?

Accepted Answer

the refraction of light

Answer

the reflection of light

Answer

the absorption of light

Answer

the mass of light

Question 9

What colors are used in the stained glass window of the wood door?

Accepted Answer

Purple, Pink, Clear, Green

Answer

Red, Blue, Yellow, White

Answer

Orange, Black, White, Brown

Answer

Blue, Green, Yellow, Red

Question 10

What is the surface texture of the wood door?

Accepted Answer

Not shiny

Answer

Shiny

Answer

Rough

Answer

Glossy

Question 11

Which of the following models shows how light interacts with the clear glass in the door?

Accepted Answer

Model C

Answer

Model A

Answer

Model B

Answer

Model D

Question 12

A student is creating a table with properties of electromagnetic and mechanical waves. Which question should be placed at letter X in the table?

Accepted Answer

How are they formed?

Answer

How quickly do they travel?

Answer

How do they transfer matter?

Answer

How long is their wavelength?

Question 13

Which of the following describes a possible application of a concave lens?

Accepted Answer

Concave lenses can be used in car headlights to spread the projected light outwards.

Answer

Concave lenses can be used in mirrors to make objects appear closer than they truly are.

Answer

Concave lenses can be used in laser pointers to converge the projected light to a single point.

Answer

Concave lenses can be used in microscopes to make small objects appear larger.

Question 14

Some devices use electromagnetic waves to find the location and speed of an object. In these devices, the waves are emitted and then reflected off of the object and returned back toward the device. By knowing the speed of the wave and the time it takes the wave to return to the device, the distance that the wave traveled can be calculated. Which type of wave would be safest to use in this type of device?

Accepted Answer

Radio waves would be the safest choice because they are the least damaging to organisms.

Answer

Gamma waves would be the safest choice because they travel the fastest.

Answer

Ultraviolet waves would be the safest choice because they are easiest to visually detect.

Answer

X-rays would be the safest choice because they are able to travel through many types of materials.

Question 15

The diagram below shows a portion of the electromagnetic spectrum.

Accepted Answer

FM radio waves carry more energy than AM radio waves. This is supported by the fact that FM radio waves have a shorter wavelength compared to AM radio waves.

Answer

FM radio waves carry less energy than AM radio waves. This is supported by the fact that FM radio waves have a shorter wavelength compared to AM radio waves.

Answer

FM radio waves carry less energy than AM radio waves. This is supported by the fact that FM radio waves have a longer wavelength compared to AM radio waves.

Answer

FM radio waves carry more energy than AM radio waves. This is supported by the fact that FM radio waves have a longer wavelength compared to AM radio waves.

Question 16

The diagram represents a wave that moves in three planes: X, Y, and Z.

Accepted Answer

Transverse

Answer

Electromagnetic

Answer

Longitudinal

Answer

Sound

Question 17

Which term describes the height of a transverse wave measured from the peak to the midpoint?

Accepted Answer

Amplitude

Answer

Trough

Answer

Period

Answer

Frequency

Question 18

The diagram below represents a transverse wave. The wavelength of this wave is equal to the distance between which two points?

Accepted Answer

A and G

Answer

B and F

Answer

D and F

Answer

C and E

Question 19

Rosina creates a demonstration showing a sound echo. How could she demonstrate this?

Accepted Answer

She throws a rubber ball at a wall, and it bounces back to her.

Answer

She throws water at a wall, and it drips down the wall.

Answer

She throws an egg at a wall, and it breaks and falls to the floor.

Answer

She throws sand at a wall, and it hits the wall and falls to the floor.

Question 20

What is the difference between a reflected and a diffracted sound wave?

Accepted Answer

A reflected sound wave bounces back to the place of origin. A diffracted sound wave changes direction as it passes through an opening.

Answer

A reflected sound wave is absorbed by the medium. A diffracted sound wave changes direction as it passes through an opening.

Answer

A diffracted sound wave bounces back to the place of origin. A reflected sound wave is absorbed as it passes through an opening.

Answer

A diffracted sound wave bounces back to the place of origin. A reflected sound wave changes direction as it passes through an opening.

Question 21

How does increasing the amount of energy in a wave affect its characteristics?

Accepted Answer

The wave's amplitude increases.

Answer

The wave's speed decreases.

Answer

The wave's frequency decreases.

Answer

The wave's wavelength increases.

Question 22

How many wavelengths separate point A and point B?

Accepted Answer

2.0

Answer

1.5

Answer

2.5

Answer

3.0

Question 23

The diagram represents a longitudinal wave moving through a mixture of gases. Which statement best describes the characteristics of location A indicated by the arrow?

Accepted Answer

Greatest compression and greatest density

Answer

Lowest compression and greatest density

Answer

Greatest compression and lowest density

Answer

Lowest compression and lowest density

Question 24

Which sound has waves with the greatest amplitude?

Accepted Answer

jet takeoff

Answer

light whisper

Answer

noisy classroom

Answer

loud music

Question 25

Which statement about the relationship between wave speed and rock density does the data best support?

Accepted Answer

The line of best fit indicates that there is a quantifiable relationship between wave speed and density, making it possible to highly accurately predict future observations.

Answer

Wave speed decreases with increases in density in a fairly predictable manner, allowing somewhat but not high accurate prediction of future observations.

Answer

There is no fixed relationship between wave speed and density, making it impossible to accurately predict future observations.

Answer

Wave speed increases with density according to a specific relationship, but other factors influence wave speed enough that individual observations cannot be predicted with high accuracy.

Question 26

Which characteristics should be added to the middle section of the model to make it complete?

Accepted Answer

carry energy, can be noticed using senses

Answer

travel faster in water than air, travel faster in air than through a solid

Answer

travel slower in water than air, travel slower in air than through a solid

Answer

can be heard, can be seen, can be felt

Question 27

Trevor is looking at data from an experiment where electromagnetic and mechanical waves were sent through various media. The movement of the particles in the wave and the behavior of the wave as it moved from air into each medium is shown in a table. Trevor would like to determine which waves in the experiment were electromagnetic and which of the waves were mechanical. Which question should Trevor ask to help categorize the waves correctly?

Accepted Answer

What type of wave cannot travel through a vacuum?

Answer

What type of wave can travel through water?

Answer

What type of wave travels at the fastest speed?

Answer

What type of wave can change speed and direction?

Question 28

A pebble is thrown in a pond, and the water ripples on the surface. Of what type of wave is this an example?

Accepted Answer

a transverse wave because the vibrations move perpendicular to the wave's direction of travel

Answer

a transverse wave because the vibrations move parallel to the wave's direction of travel

Answer

a longitudinal wave because the vibrations move perpendicular to the wave's direction of travel

Answer

a longitudinal wave because the vibrations move parallel to the wave's direction of travel

Question 29

A blue light is shined on objects X and Y. Object X appears to be blue, and object Y appears to be black. Which of the following is correct?

Accepted Answer

Object X reflects blue light, and object Y absorbs blue light.

Answer

Object X absorbs blue light, and object Y reflects blue light.

Answer

Object X must be black, and object Y must be blue.

Answer

Object X must be blue, and object Y must be black.

Question 30

When Truman walks across the tile floor in his kitchen, the sound of his shoes is loud and sharp. Which of the following best describes what would happen if he walked over carpet in the same shoes?

Accepted Answer

The sound waves would move slower through the carpet and at a lower frequency, resulting in a quieter sound.

Answer

The sound waves would move faster through the carpet and at a higher frequency, resulting in a louder sound.

Answer

The sound waves would move slower through the carpet and at a higher frequency, resulting in a quieter sound.

Answer

The sound waves would move faster through the carpet and at a lower frequency, resulting in a louder sound.

Question 31

Sam performed an experiment in which four electromagnetic waves were sent from air into a different medium. The initial wavelength and the wavelength of each wave in the new material is recorded in the table. Select all of the waves that were sent through a medium denser than air.

Accepted Answer

W

Accepted Answer

X

Answer

Y

Answer

Z

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