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9.3 Waves, Reflection, Refraction, and Lenses Self Test

Total questions: 21

Worksheet time: 21mins

Name
Class
Date
1.

What do we call a material that light can travel through?

a)

air

b)

water

c)

medium

d)

pathway

2.

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

3.
What is represented at point 1?
a)
wave height
b)
wavelength
c)
crest
d)
trough
4.
What is the distance between two waves?
a)
wave period
b)
wave frequency
c)
wave length
d)
wave height
5.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
6.

A wave that moves the medium in a direction perpendicular to the direction the wave travels is called a -

a)

Reflected wave

b)

Transverse wave

c)

Longitudinal wave

d)

Surface wave

7.

This picture shows straws that appear to be broken. This is caused by -

a)

Reflection

b)

Diffraction

c)

Absorption

d)

Refraction

8.

Which of the mirror diagrams have Upright Images? (choose all)

a)
b)
c)
d)
9.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens
10.

Is a converging lens thicker or thinner in the middle?

a)
Thicker 
b)
Thinner 
11.

The above lens is a type of ___.

a)

diverging lens

b)

converging lens

c)

divergent lens

d)

convergent lens

12.
This image is...
a)
Inverted and smaller
b)
inverted and bigger
c)
not inverted and smaller
d)
not inverted and bigger
13.
a real image...
a)
is produced by virtual rays and can be projected on a screen
b)
is produced by real rays and cannot be projected on a screen
c)
is produced by virtual images and cannot be projected on a screen
d)
is produced by real rays and can be projected on a screen
14.

Which lens represents the path light takes through a concave lens?

a)
b)
c)
d)
15.

Which lens represents the path light takes through a diverging lens?

a)
b)
c)
d)
16.

Which figure represents the path light takes through a converging lens?

a)
b)
c)
d)
17.
Waves are a transfer of what?
a)
Heat
b)
Light
c)
Energy
d)
Food
18.
How many waves are in this wave chain?
a)
6
b)
3
c)
4
d)
5
19.

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

a)

always travels in a straight line.

b)

slows down when it passes through water.

c)

makes the water in the glass evaporate.

d)

reflects the pencil on the water's surface.

20.

When light goes from a less dense to a more dense medium,

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.

21.

Based on the image, which medium has a higher density?

a)

Medium 1 has a higher density.

b)

Medium 2 has a higher density.

c)

Both mediums have the same densities.

d)

Cannot be determined.