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TEST1OPTICS

Total questions: 69

Worksheet time: 56mins

Name
Class
Date
1.

Property of light best represented here

a)

light is a form of energy

b)

light travels in straight lines

c)

light refracts

d)

light reflects

2.

Property of light which is used in solar panels

a)

light is a form of energy

b)

light travels in straight lines

c)

light refracts

d)

light reflects

3.

A beam of light drawn as straight lines with arrows

a)

Incidence Ray

b)

Reflected Ray

c)

X-ray

d)

Ray

4.

The angle of incidence is equal to the angle of reflection

a)

Law of Reflection

b)

Law of Light

c)

Incidence Ray

d)

The Normal

5.

The picture shows which type of reflection?

a)

Specular

b)

X-ray

c)

Diffuse

d)

Normal

6.

The ray of light that strikes a mirror

a)

Reflected Ray

b)

Incidence Ray

c)

Angle of Incidence

d)

Angle of Reflection

7.

The ray that bounces off the mirror.

a)

Angle of Reflection

b)

Incidience Ray

c)

Reflected Ray

d)

Angle of Reflection

8.

The angle between the incident ray and the normal. (X on the diagram)

a)

Angle of X-Ray

b)

Angle of Reflection

c)

Angle of Incidence

d)

Angle of Normal

9.

An imaginary line that is drawn at a right angle (90 degrees) to a mirror (Green line)

a)

Reflection Ray

b)

Normal

c)

Incidence Ray

d)

Light Ray

10.

The picture shows which type of reflection?

a)

Diffuse

b)

X-ray

c)

Normal

d)

Specular

11.

If the angle of incidence in the diagram is 80°, the angle of reflection will be:

a)

10°

b)

100°

c)

90°

d)

80°

12.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
13.

A ray of light is incident on a plane mirror and the angle of incidence is 25 degrees. What is the angle of reflection?

a)

A. 0 degrees

b)

B. 50 degrees

c)

C. 90 degrees

d)

D. 25 degrees

14.

The picture shows which type of reflection?

a)

Specular

b)

X-ray

c)

Diffuse

d)

Normal

15.

The ray of light that strikes a mirror

a)

Reflected Ray

b)

Incidence Ray

c)

Angle of Incidence

d)

Angle of Reflection

16.

The ray that bounces off the mirror.

a)

Angle of Reflection

b)

Incidience Ray

c)

Reflected Ray

d)

Angle of Reflection

17.

The angle between the incident ray and the normal. (X on the diagram)

a)

Angle of X-Ray

b)

Angle of Reflection

c)

Angle of Incidence

d)

Angle of Normal

18.

The angle between the reflected ray and the normal (labelled Y on the diagram).

a)

Angle of Incidence

b)

Angle of Reflection

c)

Angle of Normal

d)

Angle of Light

19.

An imaginary line that is drawn at a right angle (90 degrees) to a mirror (Green line)

a)

Reflection Ray

b)

Normal

c)

Incidence Ray

d)

Light Ray

20.

The picture shows which type of reflection?

a)

Diffuse

b)

X-ray

c)

Normal

d)

Specular

21.

If the angle of incidence in the diagram is 80°, the angle of reflection will be:

a)

10°

b)

100°

c)

90°

d)

80°

22.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
23.
The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface is called:
a)
mirror
b)
laser
c)
reflection
d)
refraction
24.

True or False: This diagram shows the correct position of the mirrors so that the light hits the target

a)

True

b)

False

25.

In order to see a picture it must

a)

produce light

b)

reflect light

c)

absorb light

26.

A beam of light drawn as straight lines with arrows

a)

Incidence Ray

b)

Reflected Ray

c)

X-ray

d)

Ray

27.

The picture shows which type of reflection?

a)

Specular

b)

X-ray

c)

Diffuse

d)

Normal

28.

The ray of light that strikes a mirror

a)

Reflected Ray

b)

Incidence Ray

c)

Angle of Incidence

d)

Angle of Reflection

29.

The ray that bounces off the mirror.

a)

Angle of Reflection

b)

Incidience Ray

c)

Reflected Ray

d)

Angle of Reflection

30.

The angle between the incident ray and the normal. (X on the diagram)

a)

Angle of X-Ray

b)

Angle of Reflection

c)

Angle of Incidence

d)

Angle of Normal

31.

The angle between the reflected ray and the normal (labelled Y on the diagram).

a)

Angle of Incidence

b)

Angle of Reflection

c)

Angle of Normal

d)

Angle of Light

32.

The highest point on a wave, F on the diagram.

a)

trough

b)

amplitude

c)

crest

d)

wavelength

33.

The lowest part of the wave is? (H on the diagram)

a)

crest

b)

trough

c)

reflection

d)

wavelength

34.
Light is a form of 
a)
energy
b)
radiation
c)
reflection
35.
Material that allows light to pass through allowing you to see "clearly" to the other side
a)
opaque
b)
translucent
c)
transparent
36.
Light bounces when it is 
a)
reflected
b)
absorbed
c)
refracted
37.
You can see through water because ---
a)
it's opaque
b)
it's translucent 
c)
it's transparent
d)
it's wet
38.

Glo-Sticks are an example of a __________ light source.

a)

Chemical

b)

Nuclear

c)

Electric

d)

Combustion

39.

The picture shows an example of a ________________ light source.

a)

Nuclear

b)

Chemical

c)

Natural

d)

Combustion

40.

A flashlight is an example of a ________________ light source

a)

Natural

b)

Nuclear

c)

Reflection

d)

Electric

41.

The sun is an example of a ________ light source

a)

Combustion

b)

Natural

c)

Chemical

42.
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
43.
a)
Reflection
b)
Refraction
44.

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

a)
b)
c)
d)
45.

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

a)
b)
c)
d)
46.

Which optical device bends light inward?

a)

convex lens

b)

concave lens

c)

plane mirror

d)

convex mirror

47.

Which optical technology do we use to observe small things?

a)

Telescope

b)

Microscope

c)

Camera

d)

ALL of them

48.

Which technology focuses light onto film/sensor so it can create a picture?

a)

Telescope

b)

Microscope

c)

Camera

d)

All of them

49.
Which type of electromagnetic radiation is the reason we need sunglasses and sunscreen to avoid getting a sunburn?
a)
X-rays
b)
Gamma Rays
c)
Ultraviolet waves
d)
Infrared waves
50.
What can you see in a room that has no visible light?
a)
Only bright colored objects
b)
Only dark colored objects
c)
Only white objects
d)
Nothing at all
51.

Model used to explain the characteristics and behavior of light energy. it describes light as energy in the form of waves. the different colors of light have different wavelengths. waves with shorter wavelengths have higher energy than those with longer wavelengths

a)

Kepler's Model

b)

Einstein's Theory of Relativity

c)

Hawking's Wormhole Theory

d)

Wave Model of light

52.

The production of light by living organisms is

a)

bioluminescence

b)

evolution

c)

adaptation

d)

chemistry

53.

X-rays are electromagnetic waves.

a)

True

b)

False

54.
Which electromagnetic waves are used in ovens and cell phone communications?
a)
Infrared rays
b)
ultraviolet rays
c)
microwaves
55.
Which electromagnetic waves are used in devices such as heat lamps & TV remote controls?
a)
ultraviolet rays
b)
microwaves
c)
infrared rays
56.
Which part of the eye opens in dark places and closes in bright places?  
a)
Cornea
b)
Retina
c)
Pupil
d)
Lens
57.
Which part of the eye is where images are converted to nerve impulses?  
a)
Retina
b)
Cornea
c)
Optic Nerve
d)
Lens
58.
What is this?
a)
Opaque
b)
transparent
c)
translucent
59.
What is this
a)
opaque
b)
transparent
c)
translucent
60.
The water is what
a)
opaque
b)
translucent
c)
transparent
61.
When ALL of the light is blocked
a)
translucent
b)
opaque
c)
transparent
62.
Which colour has 𝗺𝗼𝗿𝗲 𝗲𝗻𝗲𝗿𝗴𝘆?
a)
Red
b)
Yellow
63.
Which radiation has the 𝗹𝗼𝗻𝗴𝗲𝘀𝘁 𝘄𝗮𝘃𝗲𝗹𝗲𝗻𝗴𝘁𝗵?
a)
radio waves
b)
gamma rays
c)
visible light
d)
ultraviolet radiation
e)
infrared radiation
64.
Which radiation passes easily through skin but not through bone?
a)
X-rays
b)
gamma rays
c)
visible light
d)
radio waves
e)
ultraviolet radiation
65.
What gives the biggest part of the eye its shape?
a)
vitreous body
b)
rods
c)
pupil
d)
lens
66.
About how large is the human eye?
a)
basketball
b)
ping pong ball
c)
baseball
d)
soccer ball
67.
Cones team up with ______ so that you can see the total picture!
a)
glasses
b)
the lens
c)
the pupil
d)
rods
68.
Which part is the colorful part of the eye?
a)
pupil
b)
iris
c)
cornea
d)
eyeball
69.

What would happen to your pupils if it's extremely bright outside?

a)

They would let a lot of light into your eyes

b)

They would expand and become very large

c)

They would contract and become very small

d)

They would close up completely

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