wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

LIGHT

Total questions: 105

Worksheet time: 1hrs 21mins

Name
Class
Date
1.

No matter how far you stand from a spherical mirror, your image appears erect. The mirror may be

a)

only plane

b)

only concave

c)

either plane or convex

d)

only convex

2.

Power of’ a lens is the (a)   of its focal length

3.

A ………. lens will always give a virtual, erect and diminished image, irrespective of the position of the object.



(a)  

4.

A positive sign in the value of magnification indicates that the image is

a)

real

b)

virtual

c)

enlarged

d)

near

5.

The SI unit of power is (a)  

6.

A ray of light is travelling from a rarer medium to a denser medium. While entering the denser medium at the point of incidence, it

a)

goes straight into the second medium

b)

bends towards the normal

c)

bends away from the normal

d)

does not enter at all

7.

If the image is formed in front of the mirror, then the image distance will be

a)

positive or negative depending on the size of the object

b)

neither positive nor negative

c)

positive

d)

negative

8.

A ray of light coming parallel to the principal axis after passing through a convex lens, has passed through its

a)

optical centre

b)

focus

c)

center of curvature

d)

mid point

9.

A spherical mirror and a thin spherical lens have focal length of −20 cm. The mirror and lens will be:

a)

both concave

b)

mirror is concave and lens is convex

c)

both convex

d)

mirror is convex and lens is concave

10.

A small air bubble in a glass block when seen from above appears to be raised because of

a)

refraction of light

b)

reflection of light

c)

reflection and refraction of light

d)

none of the above

11.

To get real magnified image in convex lens, the object position is

a)

in between lens and F

b)

in between F and 2F

c)

at 2F

d)

beyond 2F

12.

A ray of light is travelling in a direction perpendicular to the boundary of a parallel glass slab. The ray of light

a)

Is refracted towards the normal

b)

Is refracted away from the normal

c)

Is reflected along the same path

d)

Does not get refracted

13.

. A ray of light passes from a medium X to another medium Y. No refraction of light occurs if the ray of light hits the boundary of medium Y at an angle of:

a)

120o

b)

0o

c)

90o

d)

45o

14.

Centre point of a lens is called (a)  

15.

A point object is placed at a distance of 20 cm from a convex mirror of focal length 20 cm. The image will form at

a)

at infinity

b)

at focus

c)

at the pole

d)

behind the mirror

16.
Light has the highest 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
17.
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
18.
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
19.
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.
20.
Glass has a _____________ index of refraction than air.
a)
Equal
b)
Greater
c)
Less
d)
Impossible to say
21.
The fact the two angles are the same is an example of....
a)
Refraction
b)
Angle of Incidence
c)
Law of reflection
d)
Magnification
22.
This shows the phenomenon known as....
a)
reflection
b)
refraction
c)
mirrors
d)
focal point
23.
Light travels through a liquid at 2.25 EE 8 m/s. What is the index of the liquid?
a)
1.33
b)
1.0
c)
1.523
d)
2.45
24.
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
25.
The velocity of light in vacuum is _______ m/s.
a)
3x108
b)
3x1012
c)
3x106
d)
3x1010
26.
The formula to calculate the refractive index is
a)
n=cv
b)
n=v/c
c)
n=c/v
d)
v=nc
27.
Light travels at 1.76 EE 8 m/s through an optical medium.  What is the medium?
diamond n=2.45
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
a)
Crown Glass
b)
Barium Glass
c)
Flint Glass
d)
Diamond
28.
We can see objects because of_______
a)
reflection
b)
refraction
c)
transmission
d)
diffraction
29.
Absolute refractive index of any medium is always _______.
a)
less than 1
b)
greater than 1
c)
1
d)
0
30.
Swimming pools and the ocean look shallower than they really are due to:
a)
reflection 
b)
dispersion
c)
refraction
d)
total internal reflection
31.

When light falls on a smooth polished surface, most of it

a)

is reflected in the same direction

b)

is reflected in different directions

c)

is scattered

d)

is refracted into the second medium

32.

A student does the experiment on tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence. He can get a correct measure of the angle of incidence and the angle of emergence by following the labelling indicated in figure:

a)

I

b)

II

c)

III

d)

IV

33.

If the image is formed in front of the mirror, then the image distance will be

a)

positive or negative depending on the size of the object

b)

positive

c)

negative

d)

neither positive nor negative

34.

When the object is placed between f and 2f of a convex lens, the image formed is

a)

at f

b)

at 2f

c)

beyond 2f

d)

between O and f

35.

A spherical mirror and a spherical lens each have a focal length of -10 cm. The mirror and the lens are likely to be

a)

the mirror is convex and the lens is concave

b)

the mirror is concave and the lens is convex

c)

both convex

d)

both concave

36.

Focal length of a concave mirror is

a)

negative

b)

positive

c)

depends on the position of object

d)

depends on the position of image

37.

The image formed by a convex lens can be

a)

virtual image is not formed

b)

virtual and of same size

c)

virtual and diminished

d)

virtual and magnified

38.

If an incident ray passes through the focus, the reflected ray will

a)

pass through the pole

b)

be parallel to the principal axis

c)

retrace its path

d)

pass through the center of curvature

39.

The speed of light in vacuum is

a)

3×108m/s3\times10^8m/s

b)

2.8×108m/s2.8\times10^8m/s

c)

3×107m/s3\times10^7m/s

d)

3×109m/s3\times10^9m/s

40.

Power of a lens is the ………. of its focal length.

a)

value

b)

reciprocal

c)

2 times

d)

half

41.

Image formed by reflection from a plane mirror is

a)

real and inverted

b)

virtual and erect

c)

real and erect

d)

virtual and inverted

42.

Magnifying power of a concave lens is

a)

can have any value

b)

always = 1

c)

always < 1

d)

always > 1

43.

A point object is placed at a distance of 20 cm from a convex mirror of focal length 20 cm. The image will form at:

a)

at infinity

b)

at focus

c)

at the pole

d)

behind the mirror

44.

If the power of a lens is – 2 D, what is its focal length?

a)

+50 cm

b)

-50 cm

c)

-100 cm

d)

+100 cm

45.

If the magnification produced by a lens has a negative value, the image will be

a)

real and inverted

b)

real and erect

c)

virtual and erect

d)

virtual and inverted

46.

Which mirror can produce a virtual, erect and magnified image of an object?

a)

Both concave and convex mirrors

b)

Plane mirror

c)

Convex mirror

d)

Concave mirror

47.

A ray of light is travelling from a rarer medium to a denser medium. While entering the denser medium at the point of incidence, it

a)

does not enter at all

b)

goes straight into the second medium

c)

bends away from the normal

d)

bends towards the normal

48.

A ………. mirror is used as a head mirror by the doctors to concentrate light on the body parts to be examined.

a)

concave

b)

convex

49.

No matter how far you stand from a spherical mirror, your image appears erect. The mirror may be plane or convex mirror.

a)

True

b)

False

50.

The optical phenomena, twinkling of stars, is due to

a)

Atmospheric reflection

b)

Total reflection

c)

Atmospheric refraction

d)

Total refraction

51.

When a ray of light entering from air is incident on the surface of a glass slab at an angle of 90°, the measure of angle of refraction=

(a)  

52.

The type of mirror used in reflector in automobile lights is

a)

Plane mirror

b)

Concave mirror

c)

Convex mirror

d)

None of the above

53.

A mirror having focal length –15 cm is _________________

a)

Plane mirror

b)

Concave mirror

c)

Convex mirror

d)

None of these

54.

Assertion: For observing the traffic at the hairpin bend in the mountains a plane mirror is preferred over convex or concave mirror.

Reason: A convex mirror has a much larger field view than a plane mirror or a concave mirror.

a)

Both Assertion and Reason are true and Reason is the correct explanation of Assertion.

b)

Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

c)

Assertion is true but Reason is false.

d)

Assertion is false but Reason is true.

55.

Which of the following characteristics are correct for the image formed in a plane mirror?


I. Upright

II. Inverted

III. Real

IV. Same size as the object

V. Virtual

a)

I, II, III

b)

I, III, IV

c)

I, IV, V

d)

III, IV, V

56.

A ray of light travels from air into a glass block.


Which diagram correctly shows the path of the ray through the glass block?

a)

A

b)

B

c)

C

d)

D

57.

Why does the straw appear to be bent?

a)

light is reflected

b)

light is absorbed

c)

light is turned

d)

light is refracted

58.
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
59.
Glass has a _____________ index of refraction than air.
a)
Equal
b)
Greater
c)
Less
d)
Impossible to say
60.
How is light affected by an increase in the index of refraction?
a)
Its frequency increases
b)
Its frequency decreases
c)
Its speed increases
d)
Its speed decreases
61.

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

a)

echo

b)

refraction

c)

reflection

d)

absorbing

62.

When light goes from one material(medium) to another it becomes bent, what term means bent?

a)

reflected

b)

refracted

c)

absorbed

d)

turned

63.

Why does the straw appear to be bent?

a)

light is reflected

b)

light is absorbed

c)

light is turned

d)

light is refracted

64.

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

65.

What is the best explanation for Mickey seeing himself in the mirror?

a)

refraction

b)

absorbed

c)

reflection

d)

flipped

66.

What is happening in this picture?

a)

Reflection

b)

Refraction

67.
The velocity of light in vacuum is _______ m/s
a)
3x108
b)
3x1012
c)
3x106
d)
3x1010
68.

What is the angle of reflection (θr) in the image?

a)

56o

b)

90o

c)

124o

d)

34o

69.
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
70.

Which of the following characteristics are correct for the image formed in a plane mirror?


I. Upright

II. Inverted

III. Real

IV. Same size as the object

V. Virtual

a)

I, II, III

b)

I, III, IV

c)

I, IV, V

d)

III, IV, V

71.

Which of the following factors contributes to the bending of light?

a)

Change of speed of light

b)

Change of density of light

c)

Change of colour of light

d)

Change of energy of light

72.
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
73.

When the light passes out of the glass, back into the air

a)

It bends away from the normal

b)

It does not bend

c)

It bends towards the normal

d)

It continues to be the normal

74.

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

a)
b)
c)
d)
75.

The type of mirror used in reflector in automobile lights is

a)

Plane mirror

b)

Concave mirror

c)

Convex mirror

d)

None of the above

76.

What can you use to see all the different colors in white light?

a)

A flashlight

b)

A shadow

c)

A camera

d)

A prism

77.

What is it called when light bends as it moves from one substance to another?

a)

Absorption

b)

Reflection

c)

Refraction

d)

Incidence

78.
The bending of waves as they pass from one substance into another.
a)
Reaction
b)
Reflection
c)
Refraction
d)
Repost
79.
Band of color in a rainbow, or from a light passing through a prism.
a)
Spectrum
b)
Space
c)
Prism
d)
Refraction
80.
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
81.
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.
82.
a)
Reflection
b)
Refraction
83.
What do we call this tool that separates white light into the colors of the Visible Spectrum?
a)
tuning fork
b)
prism
c)
microscope
d)
graduated cylinder
84.

Light travels through air, water, glass and many other materials. What path does it travel to get from one place to another?

a)

sideways

b)

back and forth

c)

straight

d)

up and down

85.
What does it mean to refract?
a)
bounce off
b)
to bend
c)
curve outward
d)
reflect
86.

Name the subjective property of light related to its wavelength.

a)

refractive index

b)

frequency

c)

colour

d)

velocity

87.

Jyothi puts a pencil into a glass container having water and is surprised to see the pencil bend.Name the phenomenon responsible for the change.

a)

Reflection of light

b)

Refraction of light

c)

total internal reflection of light

d)

partial reflection and partial refraction

88.

As the ray of light passes from air to glass, state how the wavelength of light changes.

a)

wavelength increases

b)

wavelength decreases

c)

wavelength remains constant

d)

wavelength decreases and then increases

89.

A boy uses blue colour of light to find the refractive index of glass. He then repeats the experiment using red colour of light .How will the refractive index of glass be ?

a)

the same

b)

μ decreases

c)

μ increases

d)

same as speed of light

90.

When a ray of light enters from one medium to another having different optical densities it bends. beacuse

a)

of different optical densities

b)

speed of light changes

c)

obstruction of light changes

d)

frequency of light changes

91.

choose the conditions where light does not bend when entering a medium of different optical density,

a)

incident ray is normal to the refracting surface

b)

any obliquely incident ray

c)

angle of incidence is 90°

d)

angle of incidence is 0°

92.

Which colour of light travels fastest in any medium except air ?

a)

yellow

b)

red

c)

violet

d)

white

93.
Light has the highest 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
94.
The fact the two angles are the same is an example of....
a)
Refraction
b)
Angle of Incidence
c)
Law of reflection
d)
Magnification
95.
The velocity of light in vacuum is _______ m/s.
a)
3x108
b)
3x1012
c)
3x106
d)
3x1010
96.
The formula to calculate the refractive index is
a)
n=cv
b)
n=v/c
c)
n=c/v
d)
v=nc
97.
Absolute refractive index of any medium is always _______.
a)
less than 1
b)
greater than 1
c)
1
d)
0
98.
If a pulse of red light and a pulse of blue light travel in vacuum
a)
The red pulse travels faster because its index of refraction is smaller
b)
The blue pulse travels faster
c)
The two pulses travel at the same speed
d)
The relative speed depends on the exact wavelengths of the red and blue pulses
99.

What happens to the light rays in a convex lens?

a)

Converge

b)

Diverge

c)

Surge

d)

Reflect

100.

In a lens diagram, what does "u" mean?

a)

Object distance

b)

Image distance

c)

Focal Point

d)

Focal Length

101.

Looking at the diagram, describe the object distance.

a)

u>2f

b)

u=2f

c)

u=f

d)

f<u<2f

102.

This happens when the eyeballs are too long or the eye lenses are too thick

a)

Hypermetropia

b)

Myopia

c)

Utopia

d)

Hyperion

103.

A ____ is formed when the sky is refracted on the road during hot sunny weather.

a)

Rainbow

b)

Halo

c)

Mirage

d)

Green flash

104.

As a hunter you see a fish in a river. Where should you aim your spear?

a)

Exactly at the fish

b)

Below the fish

c)

Above the fish

d)

Nevermind, you will miss anyway.

105.

What happens to the light when it travels from less dense to more dense medium?

a)

speed up

b)

slows down

c)

breaks

d)

parks

Similar Resources on Wayground

1st Semester Review

110 questions

1st Semester Review

quiz

Worksheet

•

KG - University

Review of Waves

103 questions

Review of Waves

quiz

Worksheet

•

8th - 10th Grade

Grade 10 end of year Quiz practice questions

110 questions

Grade 10 end of year Quiz practice questions

quiz

Worksheet

•

10th Grade

ASAS FISIKA 2025

100 questions

ASAS FISIKA 2025

quiz

Worksheet

•

10th Grade - University

Q2 Benchmark Review

103 questions

Q2 Benchmark Review

quiz

Worksheet

•

9th - 12th Grade

ENERGI TERBARUKAN

100 questions

ENERGI TERBARUKAN

quiz

Worksheet

•

10th Grade

KUIS PENGUKURAN

100 questions

KUIS PENGUKURAN

quiz

Worksheet

•

10th Grade

Physical Science Final Review

103 questions

Physical Science Final Review

quiz

Worksheet

•

10th Grade