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Light & Sound Waves

Total questions: 54

Worksheet time: 2hrs 4mins

Name
Class
Date
1.
A disturbance that transfers energy from place to place is called a __________. 
a)
Wave
b)
Medium
c)
Vibration
d)
Compression 
2.
Electromagnetic waves can transfer energy without a(an) _________. 
a)
Medium
b)
Electric Field 
c)
Magnetic Field 
d)
Change in either a magnetic or an electric field 
3.

Reflection is when light...

a)

Bends

b)

Bounces

c)

Absorbs

d)

transmits

4.

Refraction is when light...

a)

Bounces

b)

Transmits

c)

Bends

d)

Absorbs

5.

What is happening in this picture?

a)

Reflection

b)

Refraction

6.
The entire electromagnetic spectrum is divided into regions by
a)
color
b)
speed
c)
wavelength
d)
the way they are used
7.
The energy of waves _______ as the wavelength gets shorter.
a)
increases
b)
decreases
c)
stays the same
8.
Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy
a)
Radio waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
X-rays
9.

What color has the shortest wavelength

a)

red

b)

violet

c)

yellow

d)

green

10.

What type of wave creates sunburn?

a)

UV

b)

Xray

c)

Gamma

d)

Infrared

11.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
12.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
13.

The number of times a wave cycles in one second, measured in Hertz is called

a)

frequency

b)

wavelength

c)

velocity of a wave

d)

displacement from equilibrium

14.
Which electromagnetic waves are used in devices such as heat lamps & TV remote controls?
a)
ultraviolet rays
b)
microwaves
c)
infrared rays
15.
Light travels in ___________ lines
a)
wavy
b)
bent
c)
straight
d)
backwards
16.

Materials that do not allow light to pass through?

a)

clear

b)

opaque

c)

transparent

d)

translucent

17.
A form of energy that can travel through space  is?
a)
rain
b)
lighting
c)
thunder
d)
light
18.

Materials that let the most light pass through are?

a)

translucent

b)

opaque

c)

transparent

d)

dark

19.

When light hits an area and bounces back it is called:

a)

echo

b)

refraction

c)

reflection

d)

absorbing

20.

Why does the straw appear to be bent?

a)

light is reflected

b)

light is absorbed

c)

light is turned

d)

light is refracted

21.
If a black and white car were in the parking lot all day. Compare the temperatures of the two cars.
a)
The black car would be cooler.
b)
The white car would be hotter.
c)
The black car would be hotter.
d)
They would be the same
22.
Does the rose reflect or absorb red?
a)
Reflect
b)
Absorb
23.
Is a convex lens thicker or thinner in the middle?
a)
Thicker 
b)
Thinner 
24.

When light passes from air to water, what happens to the speed of the light?

a)

speeds up

b)

slows down

c)

stays the same

25.

The following diagram shows the ray diagram when a torch light is torched towards a mirror. Which of the following is the correct reflected ray?

a)
b)
c)
d)
26.

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

27.
What is B?
a)
Angle of incidence
b)
Angle of reflection
c)
Incident ray
d)
Reflected ray
28.

Select all statements that are true.

a)

Sunlight is all colors, but appears white.

b)

White light is a combination of all colors of light.

c)

White light has no colors of light.

d)

A spectroscope will separate white light so you can see all the colors.

29.

The defect of vision in which the person is able to see distant object distinctly but cannot see nearby objects clearly is called

a)

far-sightedness

b)

near-sightedness

c)

presbyopia

d)

All of above

30.

Myopia and Hypermetropia can be corrected by

a)

Concave and plano-convex lens

b)

Concave and convex lens

c)

Convex and concave lens

d)

Plano-concave lens for both defects.

31.

When the light rays enters the eye, most of the refraction occurs at the

a)

crystalline lens

b)

outer surface of cornea

c)

iris

d)

pupil

32.

What is myopia?

a)

Near Sightedness

b)

Far sightedness

33.

How can near sightedness be corrected?

a)

Using concave lens

b)

Using convex lens

c)

Using bifocal lens

34.

How can hypermetropia be corrected?

a)

By using concave lens

b)

By using convex lens

c)

By using bifocal lens

35.

This defect is caused due to elongation of eye ball.

a)

Myopia

b)

Hypermetropia

c)

Presbyopia

36.

Which of these Diagrams represents FAR SIGHTEDNESS ?

a)

A

b)

B

c)

C

d)

D

37.

Which of these Diagrams represents NEAR SIGHTEDNESS ?

a)

A

b)

B

c)

C

d)

D

38.

Which of these Diagrams represents NORMAL VISION ?

a)

A

b)

B

c)

C

d)

D

39.

a wave that can only travel through a medium (matter)

a)

matter wave

b)

mechanical wave

c)

longitudinal wave

d)

transverse wave

40.

the region of a longitudinal wave where the particles of the medium are closest together

a)

amplitude

b)

rarefaction

c)

compression

d)

absorption

41.

Waves are a transfer of what?

a)

Heat

b)

Light

c)

Energy

d)

Food

42.

A disturbance that travels through a medium as a longitudinal wave

a)

sound

b)

wavelength

c)

pitch

d)

frequency

43.
You and your father inspect an empty house with the hopes of buying it. You walk through the rooms talking to one another, and you notice that your voices and footsteps are echoing in the big, empty house. What causes the echo?
a)
sound waves reflecting off smooth, flat surfaces throughout the house
b)
sound waves moving around the large rooms
c)
sound waves moving slowly through air
d)
sound waves refracting around corners in the empty rooms
44.
Cletus wants to make ear protectors for people who work around loud jet engines at Hartsfield Airport in Atlanta. Which of the following materials should he experiment with for the best results?
a)
a material that produces sound
b)
a material that absorbs sound
c)
a material that transmits sound
d)
a material that amplifies sound
45.
As the fire truck approached Mary, the pitch of the siren got higher. Once the fire truck passed and moved away, the siren's pitch got lower. This change in pitch is because of a change in the sound wave's
a)
concussion. 
b)
amplitude. 
c)
reflection.
d)
frequency. 
46.
which material does sound travel the fastest?
a)
solid 
b)
liquid 
c)
gases
47.
A sound with a high frequency has a _____ pitch. A sound with a ____ frequency has a low pitch.
a)
high, low
b)
low, high
c)
medium, high
d)
high, medium
48.

What type of wave does the following image represent?

a)

Transverse Wave

b)

Longitudinal Wave

49.

As the ________ increases, the loudness of a sound wave will increase.

a)

Amplitude

b)

Wavelength

c)

Frequency

d)

Velocity

50.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
51.
Sound does not travel in space because
a)
Space is too far away.
b)
There is no matter in space.
c)
Space is the final frontier
d)
Space has planets.
52.
If the distance represented by the letter A were increased, how would it change the way the sound was heard?
a)
The sound would be higher. 
b)
The sound would be lower. 
c)
The sound would be softer. 
d)
The sound would be louder. 
53.
Sound is produced by
a)
music
b)
vibrations of molecules
c)
Electromagnetic Waves 
d)
Transverse Waves 
54.
If distance C on the diagram increased, what would happen to the pitch? 
a)
The pitch would be louder. 
b)
The pitch would be softer. 
c)
The pitch would be higher. 
d)
The pitch would be lower. 

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