wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Grade 8 light

Total questions: 141

Worksheet time: 2hrs 17mins

Name
Class
Date
1.

At what angle will the reflected ray strike the second mirror?

a)

30

b)

45

c)

60

d)

90

2.

An image that you can see , but does not really exist is called which of the following

a)

Real Image

b)

Fake Image

c)

Virtual Image

d)

Digital Image

3.

It is the bending of light rays as it travels from one medium to another medium of different densities?

a)

a. Reflection

b)

b. Refraction

c)

c.Dispersion

d)

d. Diffusion

4.

Which of the following best describes the image formed by a plane mirror?

a)

virtual, inverted and enlarged

b)

real, inverted and reduced

c)

virtual, upright and the same size as object

d)

real, upright and the same size as object

5.
Wax paper or a foggy window is an example of what type of material. 
a)
transparent
b)
translucent
c)
opaque
6.
What is reflection in simple terms?
a)
Soaks up light
b)
Passes through
c)
light bounces off
7.
Light is a form of 
a)
energy
b)
radiation
c)
reflection
8.
What three things may happen to light that strikes an object? 
a)
The light may be reflected, transmitted or absorbed.
b)
The light may be reflected and refracted.
c)
The light may be absorbed and transmitted.
9.
The two kinds of reflection are 
a)
transparent and translucent
b)
opaque and translucent
c)
regular and diffuse
10.
A plane mirror produces a/an 
a)
a small, real image
b)
a large, real image
c)
 a small, virtual image
d)
a same sized, virtual image
11.
smooth, shiny surfaces
a)
reflect
b)
refract
c)
absorb
12.
Light travels
a)
around corners
b)
in a straight line
13.

which is a transparent object

a)

glass

b)

copper

c)

iron

d)

steel

14.
Seeing your face in a mirror is an example of 
a)
Refraction
b)
Fiber Optics
c)
Reflection
d)
Absorption
15.
An image that you can see , but does not really exist is called which of the following?
a)
Real Image
b)
Fake Image
c)
Virtual Image
d)
Digital Image
16.
The Law of Reflection:
The angle of incidence is _________ the angle of reflection
a)
bigger than
b)
the same as
c)
smaller than
17.
What is B?
a)
Angle of incidence
b)
Angle of reflection
c)
Incident ray
d)
Reflected ray
18.
What is C?
a)
Angle of incidence
b)
Angle of reflection
c)
Incident ray
d)
Reflected ray
19.
What is E?
a)
Angle of incidence
b)
Angle of reflection
c)
Normal
d)
Reflect ray
20.
According to the Law of reflection, a light ray striking a mirror
a)
continues moving through the mirror in the same direction
b)
moves into the mirror at a slightly different angle
c)
bounces off the mirror toward the direction it came from
d)
bounces off the mirror at the same angle it hits.
21.
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
22.

If the angle of incidence is 40 degrees, what is the angle of reflection?

a)

50 degrees

b)

60 degrees

c)

90 degrees

d)

40 degrees

23.

The size of an object and its image are the same in this type of mirror...

a)

Plane

b)

Convex

c)

Concave

24.

Images in a plane mirror are

a)

real

b)

larger

c)

same size

d)

smaller

25.
An image that you can see , but does not really exist is called which of the following?
a)
Real Image
b)
Fake Image
c)
Virtual Image
d)
Digital Image
26.

Q. 

In the diagram, which letter represents the angle of incidence?

a)

A

b)

B

c)

C

d)

D

e)

E

27.

Q. ........... – the angle between the normal and the reflected ray.

a)

Angle of incidence

b)

Angle of reflection

c)

Angle of coincidence

d)

Angle of direction

28.

According to the laws of reflection, what is the relationship between the angle of incidence and the angle of reflection?

a)

They are always equal

b)

They are always different

c)

They are sometimes equal and sometimes different

d)

There is no relationship

29.

What is the ray which bounces off the mirror called?

a)

Reflected ray

b)

Normal

c)

Point of incidence

d)

Incident ray

30.

What is the angle which the incident ray makes with the normal called?

a)

Angle of incidence

b)

Angle of reflection

c)

Normal

d)

Point of incidence

31.

What is the line drawn perpendicular to the mirror through the point of incidence called?

a)

Reflected ray

b)

Incident ray

c)

Point of incidence

d)

Normal

32.

What is the point at which the incident ray strikes the mirror called?

a)

Point of incidence

b)

Reflected ray

c)

Incident ray

d)

Normal

33.

What word means to bend light rays toward each other?

a)

Converging light

b)

Diverging light

c)

Virtual Light

d)

Real Light

34.

What word means to bend light rays away from each other?

a)

Converging light

b)

Diverging light

c)

Virtual Light

d)

Real Light

35.
A wood door is 
a)
translucent
b)
transparent 
c)
opaque
36.

This is an example of ......

a)

transparent

b)

translucent

c)

opaque

37.

This is an example of ........

a)

transparent

b)

translucent

c)

opaque

38.

This is an example of ........

a)

transparent

b)

translucent

c)

opaque

39.

Light travels in ________.

a)

straight lines

b)

circles

c)

dots

40.

Which is the most suitable place to hide in the game of hide and seek ?

a)

We can hide behind a transparent object.

b)

We can hide behind a translucent object.

c)

We can hide behind an opaque object.

41.

Why does a banana appear yellow?

a)

It absorbs all colours of light.

b)

It absorbs all colours of light and reflects yellow.

c)

It reflects all colours of light.

d)

It's magic.

42.

The bending of light is called...

a)

Reflection

b)

Refraction

c)

Luminescence

d)

Rainbow

43.

Of the radiation types listed, the one with the LONGEST wavelength is...

a)

Microwave

b)

Radio wave

c)

X-ray

d)

Visible Light

44.

Which electromagnetic wavelength is invisible to our eye?

a)

Blue

b)

Violet

c)

Infrared

d)

Red

45.

When ALL of the light is blocked by a substance, we call it what?

a)

Translucent

b)

Opaque

c)

Transparent

46.

A lens that is thinner in the middle than on the outside is called...

a)

Diverging

b)

Concave

c)

Convex

d)

Prismatic

47.

A lens that is thicker in the middle than on the outside is called...

a)

Diverging

b)

Concave

c)

Convex

d)

Prismatic

48.

Which picture shows the correct way light travels in a convex lens?

a)

b)

c)

d)

49.

Which picture shows the correct way light moves in a concave lens?

a)

b)

c)

d)

50.
This is an example of...
a)
Reflection
b)
Refraction
c)
Polarization
d)
Spectrum
51.

A swimming pool appear shallower because of what?

a)

Diffraction

b)

Contraction

c)

Reflection

d)

Refraction

52.

What happens to the speed of light as it moves from air into water?

a)

It increases

b)

It decreases

c)

It remains the same

d)

It stops completely

53.

What is the phenomenon called when light bounces off an object?

a)

Refraction

b)

Diffraction

c)

Reflection

d)

Absorption

54.

the bouncing of a wave off a surface

a)

transmission

b)

reflection

c)

diffraction

d)

absorption

55.

the passage of light through a medium

a)

transmission

b)

reflection

c)

diffraction

d)

absorption

56.

electromagnetic radiation that you can see

a)

radiant energy

b)

light

c)

lens

d)

wavelength

57.

a material that allows almost all of the light striking it to pass through

a)

transparent

b)

translucent

c)

opaque

d)

reflection

58.

a material through which light does not pass

a)

transparent

b)

translucent

c)

opaque

d)

reflection

59.

the change in direction of a wave as it changes speed in moving from one medium to another

a)

transmission

b)

reflection

c)

refraction

d)

diffraction

60.

lens that is thicker at the edges than in the middle

a)

concave lens

b)

convex lens

61.

Which type of interaction is this?

a)

reflection

b)

refraction

c)

absorption

d)

transmission

62.

Which type of interaction is this?

a)

reflection

b)

refraction

c)

absorption

d)

transmission

63.
Latif wakes up one morning and sees that it is foggy outside. Which term best describes the fog he sees?
a)
opaque
b)
reflective
c)
translucent
d)
transparent
64.
What is this
a)
transparent
b)
translucent
c)
opaque
65.
The water is what
a)
opaque
b)
translucent
c)
transparent
66.
what is this
a)
transparent
b)
translucent
c)
opaque
67.

The point at which rays parallel to the optical axis meet is called the ____________________________.

a)

focal point

b)

virtual point

c)

real point

d)

optic point

68.

Image behind the mirror is

a)

virtual

b)

real

c)

upside down

d)

upright

69.
This image is representing what wave interaction?
a)
Refraction
b)
Diffraction
c)
Reflection
d)
Interference
70.
What is an example of a wave with a long wavelength and low frequency?
a)
Gamma rays
b)
Infrared
c)
Radio
d)
Visible light
71.

What is the relation between the frequency of electromagnetic waves and their wavelength?

a)

Higher frequency= Higher wavelength

b)

Higher frequency= Lower wavelength

c)

Lower frequency = Lower wavelength

72.

Top point of a transverse wave above the resting point of the medium is called a _________________.

a)

Crest

b)

Crust

c)

Trough

73.

The bottom part of a transverse wave below the resting point is called a _________________________.

a)

Crest

b)

Crust

c)

Trough

74.

The compressed part of a longitudinal wave is called a ______________________.

a)

Rarefaction

b)

Compression

c)

Transverse

75.

The spread out part of a longitudinal wave is called a ________________.

a)

Rarefaction

b)

Compression

c)

Space

d)

Transverse

76.

How many waves go past a point in one second. Measured in hertz (Hz).

a)

Frequency

b)

Speed

c)

Amplitude

d)

Wavelength

77.

A wave that does not require a medium to travel, for example, it can travel through a vacuum.

a)

Electromagnetic

b)

Mechanical

78.

How far the medium (crests and troughs, or compressions and rarefactions) moves from rest position.

a)

Amplitude

b)

Frequency

c)

Wavelength

d)

Speed

79.

A wave with a large wavelength will have a ______ frequency and _____ energy

a)

high, low

b)

high, high

c)

low, high

d)

low, low

80.
High frequency waves have _________ wavelength.
a)
varying
b)
high
c)
the same
d)
low
81.

What is being transferred with a wave?

a)

medium

b)

energy

c)

matter

d)

Chicken

82.

Increasing the amplitude means you are increasing the _______________ of a wave.

a)

frequency

b)

amplitude

c)

energy

d)

wavelength

83.

Longitudinal waves have:

a)

crests and troughs

b)

crests and compressions

c)

compressions and rarefactions

d)

troughs and rarefactions

84.

Select the correct order of waves on the EMS from low to high energy

a)

Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma

b)

Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio

c)

Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio

d)

Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

85.

Which has the LONGEST wavelength and, therefore, the LOWEST frequency/energy

a)

Gamma Rays

b)

Ultraviolet

c)

Visible Light

d)

Infrared rays

86.

Which of the following electromagnetic waves has the lowest frequency?

a)

gamma ray

b)

infrared wave

c)

visible light wave

d)

microwave

87.
Which wave has the largest wavelength?
a)
A
b)
B
c)
C
d)
None (same wavelength)
88.
Which electromagnetic waves have the highest frequencies and the shortest wavelengths?
a)
microwaves
b)
visible light
c)
gamma rays
89.
Electromagnetic waves that help your body produce vitamin D are called?
a)
ultraviolet rays
b)
x-rays
c)
gamma rays
90.
For waves in any medium, as the wavelength decreases, what happens to the frequency?
a)
It also decrease
b)
It stays the same
c)
It increases
91.
The ray of light that strikes a reflecting surface is called ________.
a)
incident ray
b)
reflected ray
c)
normal ray
d)
none of the above
92.
Why can you see most objects? 
a)
they emit light
b)
light refracts through them
c)
light reflects off them
d)
They absorb light
93.
Which of the following is not a source of light? 
a)
A. candle
b)
B. caver’s lamp
c)
C. mirror
d)
D. sun
94.
What is reflection?
a)
Reflection is the bouncing  of light off the surface that it strikes on.
b)
Reflection is the absorbing of light off the surface that it strikes on.
c)
Reflection is the bending of light off the surface that it strikes on.
d)
Reflection is the scattering of light off the surface that it strikes on.
95.

Light travels ____________________.

a)

in one direction

b)

towards the light source

c)

in all directions

96.

In the image, all the rays meet at F, What is F

a)

focal length

b)

focal point

c)

center of curvature

d)

reflection

97.
Convex Mirrors produce...
a)
only virtual images
b)
virtual or real images
c)
only real images
d)
inverted images
98.
Which terms describe the reflection seen in this image?
a)
virtual, upright
b)
virtual, inverted
c)
real, upright
d)
real, inverted
99.

The two types of spherical mirrors are ...............

a)

flat and plane

b)

concave and plane

c)

convex and concave

d)

plane and rectangular

100.

Through which point on principal axis shall reflected ray pass in the following diagram of incident ray ?

a)

point F

b)

point C

c)

point P

d)

none of the above

101.

A mirror always form diminished image irrespective of the position of the object in-front of it , then the mirror is :-

a)

Plane mirror

b)

concave mirror

c)

convex mirror

d)

not possible

102.

A mirror always form diminished image irrespective of the position of the object in-front of it , then the mirror is :-

a)

Plane mirror

b)

concave mirror

c)

convex mirror

d)

not possible

103.

When distance of object from a mirror is gradually increased then image formed by it becomes inverted which was erect in the beginning. Which type of mirror is this ?

a)

Plane mirror

b)

Concave mirror

c)

Convex mirror

d)

none of the above

104.

Which mirror is used as a make-up mirror ?

a)

Convex mirror

b)

plane mirror

c)

concave mirror

d)

plano-concave

105.

A flat mirror is an example of a ___.

a)

plane mirror

b)

concave mirror

c)

convex mirror

d)

spherical mirror

106.

A dentist uses a small dental mirror to help magnify teeth in your mouth. What type of mirror is this?

a)

a convex mirror

b)

a concave mirror

c)

a convex lens

d)

a concave lens

107.

The side view mirrors on your car help shrink the image on both sides of the car, allowing you to see a larger field of view. What type of mirror is this?

a)

a convex mirror

b)

a concave mirror

c)

a convex lens

d)

a concave lens

108.

Type of mirror used as a side mirror on a vehicle to provide a wide angle view...

a)

Plane

b)

Convex

c)

Concave

109.

Type of mirror that can produce an inverted image...

a)

Plane

b)

Convex

c)

Concave

110.
The following is a picture of what type of mirror? 
a)
Convex (diverging) mirror
b)
Concave (converging) mirror
c)
Plane Mirror
d)
Flat Mirror
111.

Which of the following is not a plane mirror?

a)

Spoon surface

b)

Smartphone display

c)

Laptop display

112.

What type of lens creates the image seen in the eyeglasses?

a)

convex

b)

concave

c)

reflection

d)

plane

113.

A lens that is thicker in the middle than on the outside is called ___.

a)

diverging

b)

concave

c)

convex

d)

achromatic

114.

A lens that is thinner in the middle than on the outside is called ___.

a)

diverging

b)

concave

c)

convex

d)

achromatic

115.

convex lens is

a)

bent outward

b)

bent inward

116.

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

a)
b)
c)
d)
117.

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

a)
b)
c)
d)
118.

A lens that is thicker in the middle than on the outside is called ___.

a)

diverging

b)

concave

c)

convex

d)

achromatic

119.

A lens that is thinner in the middle than on the outside is called ___.

a)

diverging

b)

concave

c)

convex

d)

achromatic

120.

What word means to bend light rays toward each other?

a)

Converging light

b)

Diverging light

c)

Virtual Light

d)

Real Light

121.

What type of lens is used in the shown instrument?

a)

concave lens

b)

convex lens

c)

reflection lens

d)

reduction lens

122.

Image behind the mirror is

a)

virtual

b)

real

c)

upside down

d)

upright

123.

image above the principal axis (PA) is

a)

virtual

b)

real

c)

upright

d)

upside down

124.

what is A on the diagram?

a)

center of curviture

b)

focal length

c)

reflected ray

d)

focal point

125.

The diagram represents a converging lens forming an image of an object. Which of the following lines show the focal length of the lens?

a)

PQ

b)

PR

c)

QR

d)

QS

126.

The ball is ________ yellow.

a)

Refracting

b)

Reflecting

c)

Absorbing

d)

Transmitting

127.

Which is NOT true about the apples.

a)

The red apples reflect red light best and absorb all other wavelengths of light

b)

The green apples reflect green light the best and absorb all other wavelengths of light

c)

The red apples absorb orange, yellow, green, blue, indigo, and violet.

d)

The green apples absorb red, orange, yellow, green, blue, indigo, and violet.

128.

What is causing the rainbow?

a)

Refraction and reflection

b)

Refraction

c)

Reflection

d)

Diffusion

129.

How many times is the light bent in the picture?

a)

Once

b)

Twice

c)

Seven times

d)

Three times

130.

The bending of light is called __________.

a)

Reflection

b)

Diffraction

c)

Transmission

d)

Refraction

131.

Which statement is true?

a)

The cups are absorbing blue

b)

The cups are blue

c)

The cups are reflecting blue light and absorbing all other colors

d)

The cups absorb blue and reflect all other colors

132.

A material used to make paints that reflects some colors of light and absorbs others is

called a _________.

a)

Dye

b)

Pigment

133.

In red light, a blue object would look _______.

a)

Black

b)

Red

c)

Blue

d)

White

134.

Where are the color perceiving cells located in the eye?

a)

Cornea

b)

Lens

c)

Pupil

d)

Retina

135.

Red, green, and ________ are the three primary colors of light. When they are mixed, you get ______ light.

a)

Yellow/black

b)

Orange/white

c)

Blue/white

d)

Blue/black

136.

The three primary pigments are yellow, ________, and cyan. When mixed, they make _______.

a)

Green/black

b)

Blue/white

c)

Magenta/white

d)

Magenta/black

137.
Which color reflects the least light?
a)
Black
b)
White 
c)
Blue
d)
Red
138.
Objects that reflect ALL colors will appear _____?
a)
Black
b)
White
c)
Gray
d)
Multi-colored
139.
Objects that ABSORB all colors of light will appear _______.
a)
white
b)
black
c)
multi-colored
d)
gray
140.
If you are using a green color filter, what color will you only see?
a)
blue
b)
green
c)
white
d)
red
141.

Why does a banana look yellow?

a)

it reflects yellow wavelengths of light and absorbs most other wavelengths

b)

it absorbs yellow wavelengths of light and reflects most other wavelengths

Similar Resources on Wayground

Electromagnetism

146 questions

Electromagnetism

quiz

Worksheet

•

6th - 10th Grade

Earth Science Regents Review - Content Memorization Questions

144 questions

Earth Science Regents Review - Content Memorization Questions

quiz

Worksheet

•

8th - 12th Grade

8th grade-1st Semester Exam

142 questions

8th grade-1st Semester Exam

quiz

Worksheet

•

8th Grade

8th grade final

136 questions

8th grade final

quiz

Worksheet

•

8th Grade

Midterm Review

140 questions

Midterm Review

quiz

Worksheet

•

8th Grade

Astronomy Common Assessment Review (Part 1)

145 questions

Astronomy Common Assessment Review (Part 1)

quiz

Worksheet

•

6th - 8th Grade

(Optional) PS Unit 2 Test Review

141 questions

(Optional) PS Unit 2 Test Review

quiz

Worksheet

•

8th - 12th Grade

Jr. Beta Quizbowl Qualifiier

143 questions

Jr. Beta Quizbowl Qualifiier

quiz

Worksheet

•

8th - 11th Grade