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Refraction: How Light Bends

Total questions: 40

Worksheet time: 23mins

Name
Class
Date
1.
Light has the lowest velocity in which medium?
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45
a)
diamond
b)
water
c)
flint glass
d)
barium glass
2.
According to Willebord Snell, light passing from air to glass will cause the light to
a)
maintain its original speed 
b)
accelerate while it is in glass
c)
increase its speed
d)
reduce its speed
3.
Glass has a _____________ index of refraction than air.
a)
Equal
b)
Greater
c)
Less
d)
Impossible to say
4.
This shows the phenomenon known as....
a)
reflection
b)
refraction
c)
mirrors
d)
focal point
5.
How does light behave as it enters these mediums?
a)
continue its path as straight line.
b)
bends toward the normal
c)
bends away from the normal
d)
reflects
6.
The velocity of light in vacuum is _______ m/s.
a)
3x108
b)
3x1012
c)
3x106
d)
3x1010
7.
Swimming pools and the ocean look shallower than they really are due to:
a)
reflection 
b)
dispersion
c)
refraction
d)
total internal reflection
8.
What is this called?
a)
refraction
b)
reflection
c)
reconstroction
d)
retraction
9.
The bouncing of light is known as
a)
Mirror
b)
Refraction
c)
Index of refraction
d)
reflection
10.
What is this image showing?
a)
Reflection
b)
Refraction
c)
The law of reflection
d)
Concave Mirror
11.
Why does the lower part of the child appear so much different in size from the upper part?
a)
The light rays that travel through water and then into air are refracted.
b)
The light rays that travel through water and then into air are enlarged.
c)
The light rays that travel through air and then into water are reflected.
d)
The light rays that travel through air and then into water are reduced.
12.

A student placed a pencil in a cup of water. The pencil appears broken because light

a)

always travels in a straight line.

b)

bends when it passes through water.

c)

makes the water in the glass evaporate.

d)

reflects the pencil on the water's surface.

13.

When light passes at an angle to the normal from one medium into another in which its speed is higher

a)

it is bent toward the normal.

b)

it always lies along the normal.

c)

it is unaffected.

d)

it is bent away from the normal.

14.

When light passes at an angle to the normal from one medium into another in which its speed is lower

a)

it is bent towards the normal.

b)

it always lies along the normal.

c)

it is unaffected.

d)

it is bent away from the normal.

15.
a)
Reflection
b)
Refraction
16.
a)
Reflection
b)
Refraction
17.
Light bending as it passes through a rain drop is an example of...
a)
Refraction
b)
Reflection
18.
Refraction is the bending of a wave disturbance as it passes from one _________ into another.
a)
glass
b)
medium
c)
area
d)
boundary
19.
In what medium does light travel the fastest?
a)
vacuum
b)
air
c)
water
d)
glass
20.

What do you call the ray of light that is incoming?

a)

incident ray

b)

reflected ray

c)

refracted ray

d)

emergent ray

21.

What ray of light is going out of a transparent material?

a)

incident ray

b)

reflected ray

c)

refracted ray

d)

emergent ray

22.

What do you call the ray of light that is bent as it enters a medium?

a)

incident ray

b)

reflected ray

c)

refracted ray

d)

emergent ray

23.

What angle is between the normal and incident ray?

a)

angle of refraction

b)

angle of reflection

c)

angle of incidence

d)

angle of emergence

24.

What angle is between the normal and refracted ray?

a)

angle of refraction

b)

angle of reflection

c)

angle of incidence

d)

angle of emergence

25.

What angle is between the normal and reflected ray?

a)

angle of refraction

b)

angle of reflection

c)

angle of incidence

d)

angle of emergence

26.

TAGAGA means ___________________.

a)

Towards (normal) Air, Glass, Away (normal) Glass, Air

b)

Towards (normal) Away, Glass, Air (normal), Glass, Air

c)

Towards (normal) Air, Glass, Air (normal), Glass, Away

d)

Towards (normal), Air, Go, Away (normal) Glass,Air

27.

The following are all examples of refraction except ________.

a)
b)
c)
d)
28.

What is the letter that pertains to refracted ray?

a)

A

b)

D

c)

E

d)

F

29.

What do you call the vertical broken line?

a)

boundary

b)

normal

c)

transparent material

d)

reflecting material

30.

What is the letter that pertains to reflected ray?

a)

A

b)

D

c)

E

d)

F

31.

What is the letter that pertains to incident ray?

a)

A

b)

D

c)

E

d)

F

32.

What is the letter that pertains to the angle of incidence?

a)

A

b)

B

c)

C

d)

F

33.

What is the letter that pertains to the angle of reflection?

a)

A

b)

B

c)

C

d)

F

34.

What is the letter that pertains to the angle of refraction?

a)

A

b)

B

c)

C

d)

F

35.

What property of light occurs when it changes direction due to increase or decrease of speed?

a)

reflection

b)

dispersion

c)

refraction

d)

interference

36.

Based on the image, the angle of incidence is __________ than the angle of refraction as the ray of light enters the glass.

a)

greater

b)

less

c)

equal

d)

twice

37.

Based on the image, the angle of incidence is __________ than the angle of refraction as the ray of light exits the glass.

a)

greater

b)

less

c)

equal

d)

twice

38.

Refraction will not occur if light enters the medium at ______from the normal.

a)

45°

b)

c)

70°

d)

30°

39.

The colors of sunset is a product of refraction.

a)

True

b)

False

40.

The image you see in a mirror is an example of refraction.

a)

True

b)

False