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Waves S8P4 Unit Exam 22-23

Total questions: 53

Worksheet time: 1hrs 11mins

Name
Class
Date
1.

Which of the following is true for sound waves?

a)

They require a medium.

b)

They are unrelated to vibrations.

c)

They cannot travel through liquids

d)

They can travel in a vacuum

2.

A student is measuring the distance between the crest and the rest position of both a mechanical wave and an electromagnetic wave. Which question is the student trying to answer?

a)

What is the speed of the waves?

b)

What is the amplitude of the waves?

c)

What is the wavelength of the waves?

d)

What is the frequency of the waves?

3.

Which distance represents the wavelength?

a)

W

b)

X

c)

Y

d)

Z

4.

Which distance represents the amplitude?

a)

W

b)

X

c)

Y

d)

Z

5.

What do radio waves, microwaves, X-rays, and gamma rays all have in common?

a)

They all have the same wavelength.

b)

They are electromagnetic waves.

c)

They are detected in the same way.

d)

They store the same amount of energy.

6.

Point A represents what?

a)

Trough

b)

Midpoint

c)

Crest

d)

node

7.
Sound travels FASTEST through which of these materials?
a)
Air
b)
Empty space
c)
Metal
d)
Water
8.
Why is sound able to travel faster through a solid than a gas?
a)
Gas molecules are packed tightly.
b)
Sound does not travel faster through a solid than a gas.
c)
Solid molecules are packed tightly.
d)
Gas molecules move slowly.
9.
What is represented by the letter 'x'?
a)
Crest
b)
Compression
c)
Rarefaction
d)
Wavelength
10.
Which wave has a higher frequency?
a)
A
b)
B
11.
Which wave has a longer wavelength?
a)
A
b)
B
12.

Light travels as a _______ wave.

a)
Transverse
b)
Longitudinal
13.

Sound travels as a ___________ wave.

a)
Transverse
b)
Longitudinal
14.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
15.

Which image represents a longitudinal wave?

a)

A

b)

B

16.

This image depicts which of the following wave behaviors?

a)

Reflection

b)

Refraction

c)

Diffraction

d)

Resonance

17.

The image depicts which of the following wave behaviors?

a)

Resonance

b)

Doppler Effect

c)

Interference

d)

Polarization

18.

A leaf is green. What does this tell you about the light that is being absorbed?

a)

Leaves absorb gamma rays from the sun

b)

Leaves absorb everything except for visible light

c)

Leaves glow green at night

d)

All colors are absorbed except green, which is reflected

19.

What is the angle of reflection equal to?

a)

The angle of refraction

b)

The angle of incidence

c)

The angle of absorption

d)

The angle of light

20.

What is it called when light bends as it moves from one medium to another?

a)

Absorption

b)

Reflection

c)

Refraction

d)

Incidence

21.
What is this called?
a)
refraction
b)
reflection
c)

diffraction

d)

interference

22.
What does it mean to reflect?
a)
bounce off
b)
bend
c)
refract
d)
energy
23.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
24.

The number of waves per second, measured in units called hertz.

a)

Amplitude

b)

Wavelength

c)

Medium

d)

Frequency

25.

All waves carry ______________ from place to place

a)

Sound

b)

Light

c)

Water

d)

Energy

26.

As you stand on the sidewalk a fire truck passes by. What vocabulary term describes what you hear as the pitch of the siren goes from high to low?

a)

Wave interference

b)

Decibel effect

c)

Doppler effect

d)

Sonic boom

27.

The LOUDNESS of sound is measured in

a)

dopplers

b)

hertz

c)

decibels

d)

amplitudes

28.
Which travels faster: sound or light waves?
a)
sound
b)
light
29.
A wave with a large wavelength will have a ______ frequency and _____ energy
a)
high, low
b)
high, high
c)
low, high
d)
low, low
30.
Select the correct order of waves on the EMS from the longest wavelength to the shortest wavelength
a)

Radio, Microwave, Infrared, Visible, UV, X-ray, Gamma

b)

Gamma, X-ray, UV, Visible, Infrared, Microwave, Radio

c)

Visible, Microwave, Infrared, UV, X-ray, Gamma, Radio

d)

Microwave, Radio, Visible, Infrared, UV, X-ray, Gamma

31.
How much of the electromagnetic spectrum is visible?
a)
All of it
b)
None of it
c)
Most of it
d)
Only a small part
32.

Which part of the electromagnetic spectrum has high enough energy to cause damage over time to eyes and skin? This radiation is also responsible for sunburns. 

a)

infrared light

b)

visible light

c)

ultraviolet light

d)

microwaves

33.

Which of the following electromagnetic waves is felt as heat? 

a)

ultraviolet light

b)

x-rays

c)

gamma rays

d)

infrared rays

34.
This type of EM wave shows a break in bones.
a)
gamma ray
b)
x-ray
c)
brokenometer
d)
radio wave
35.

This type of electromagnetic wave has the most energy and therefore can be very dangerous.

a)

Microwaves

b)

Radio Waves

c)

X Rays

d)

Gamma Rays

36.
 A wave has frequency of 50 Hz and a wavelength of 10 m. What is the speed of the wave?
a)

500 m/s

b)

50 m/s

c)

5 m/s

d)

0.5 m/s

37.
 A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?
a)

25 m

b)

125 m

c)

5 m

d)

25 m/s

38.

Where are the photoreceptors located in the human eye?

a)
fovea centralis
b)

sclera

c)

pupil

d)

retina

39.

The human retina consists of three kinds of color receptors: _____, _____, and _____.

a)

rods, cones, retina

b)

red, blue, green

c)

ROYGBIV

d)

magenta, yellow, cyan

40.
What is the correct order of the colors of the rainbow?
a)
Red, Yellow, Orange, Blue, Indigo, Violet
b)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
c)
Yellow, Orange, Red, Green, Blue, Violet, Indigo
41.
When light bounces off a smooth surface, this is known as which of the following?
a)
reflection
b)
refraction
c)
absorption
d)
deflection
42.

A thermal camera detects ___________ radiation.

a)

Visible

b)

Infrared

c)

Ultraviolet

d)

X-Ray

43.

Which color of light is produced when all three primary colors of visible light are combined?

a)

white

b)

rainbow

c)

black

d)

brown

44.

You're walking down the street when you hear a massive booming sound that hurts your ears and shatters the glass on some nearby buildings. You look up and see a fast-moving fighter jet way up in the sky. What just happened?

a)

You're dreaming. Wake up!

b)

Sonic boom

c)

Doppler effect

d)

Wave interference

45.

In space nobody can hear you scream. Why not?

a)

space is too far away, sound waves can't travel that far

b)

we don't have the technology yet

c)

mechanical waves can't travel through a vacuum

d)

because you can't hear light waves

46.

Which shows a use of microwaves?

a)
b)
c)
d)
47.

What frequency range can humans hear?

a)

Anything below 20 Hz

b)

Between 20 Hz and 20,000 Hz

c)

Between 20,000Hz and 40,000 Hz

d)

Anything above 20,000 Hz

48.

Which wave technology is shown?

a)

RADAR

b)

SONAR

c)

Ultrasound sonogram

d)

Laser weaponry

49.

Which shows a use of infrared?

a)
b)
c)
d)
50.

What is Echo?

a)

It is the reflection of the sound waves

b)

It is the propagation of the sound wave

c)

It is the ultraviolet radiation reflection

d)

It is a sound made by transmitter

51.

Which wave technology allows ships to 'see' underwater objects using sound?

a)

RADAR

b)

SONAR

c)

Sonic booms

d)

Ultrasound

52.

Which of the following diagrams correctly shows how concave lens works?

a)
b)
c)
d)
53.

Which of the following diagrams correctly shows how convex lens works?

a)
b)
c)
d)

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