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Reflection of Light

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Objects that reflect well are

a)

Matte surfaces

b)

Smooth, shiny surfaces

c)

Dark coloured surfaces

d)

Medium coloured surfaces

2.

Lateral inversion is

a)

When a light ray hits an object as a curved wave

b)

The term used to describe light rays reflecting off dark, matte surfaces

c)

The same as 'angle of incidence'

d)

When something is reflected in a plane mirror where left becomes right and right becomes left

3.

The angle of reflection is

a)

90 degrees

b)

55 degrees

c)

45 degrees

d)

135 degrees

4.

The angle of incidence is

a)

56 degrees

b)

124 degrees

c)

90 degrees

d)

34 degrees

5.
The imaginary line perpendicular to a reflecting surface is called _____.
a)
crooked line
b)
parallel line
c)
angular line
d)
normal line
6.

Images in a plane mirror are

a)

real

b)

larger

c)

same size

d)

smaller

7.
What is an image called that forms when light rays actually meet
a)
virtual image
b)
real image
c)
diffuse reflection
d)
regular reflection
8.
MCQ 018
What is the value of the unknown angle (theta) in the following diagram?
a)
A. 30 degrees
b)
B. 45 degrees
c)
C. 90 degrees
d)
D. 60 degrees
9.
Which of the following is not a source of light? 
a)
A. candle
b)
B. caver’s lamp
c)
C. mirror
d)
D. sun
10.
Which of these is the best reflector of light?
a)
shiny metal
b)
white paper
c)
carpet
d)
wood
11.

Which diagram represents specular reflection?

a)

A

b)

B

12.

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

a)

A

b)

B

c)

C

d)

D

13.

Which is the reflected ray?

a)

A

b)

B

c)

C

d)

D

14.

Which is the reflected ray?

a)

A

b)

B

c)

C

d)

D

15.

What is the object helps navy personnel in a submarine to see an object at the surface at the sea?

a)

periscope

b)

hand held mirror

c)

plane mirror

d)

dental mirror

16.

In the given figure , which angle represents angle of incidence ?

a)

a

b)

b

c)

c

d)

d

17.

The following diagram shows the ray diagram when a torch light is torched towards a mirror. Which of the following is the correct reflected ray?

a)
b)
c)
18.

The following diagram shows a driver who could see the image of a vehicle behind him without turning his back.

Why?

a)

Light travels in a straight line

b)

Light is refracted

c)

Light is reflected

d)

Light travels in two different mediums

19.

One of these is not a source of light

a)
b)
c)
d)
20.

In a specular or regular reflection, parallel rays are reflected in

a)

no direction

b)

one direction

c)

different direction

d)

all directions

21.

If a 2.5 m object is placed in front of a plane mirror, the height of its image is

a)

less than 2.5 m

b)

2.5 m

c)

more than 2.5 m

d)

0

22.

A plane mirror always produce ________images.

a)

virtual

b)

real

c)

ideal

d)

refracted

23.

In the numbers: 0, 1, 2, 3, 4, 5; which number will you read properly in mirror?

a)

0

b)

1

c)

2

d)

3

e)

4

24.

What is the distance of your image from you if you stand 1.5 m in front of a plane mirror?

a)

1.5 m

b)

2.0 m

c)

3.0 m

d)

4.5 m

25.

You see the reflection of the clock without numbers in your plane mirror. The image formed by the hands of the clock shows the time of 3:30. What is the real time?

a)

3:30

b)

8:30

c)

9:30

d)

10:30

26.

What kind of light rays form a virtual image?

a)

converging rays

b)

diverging rays

c)

refracting rays

d)

diffracting rays

27.

In order to see a picture it must

a)

produce light

b)

reflect light

c)

absorb light

28.

Which diagram represents diffuse reflection?

a)

A

b)

B

c)

C

d)

D

29.
MCQ 08
If a capital letter R is seen in an ordinary mirror, what does it look like?
a)
A
b)
B
c)
C
d)
D
30.

The image formed by a plane mirror is positioned _________ the mirror.

a)

above

b)

below

c)

in front of

d)

behind

31.

Which of the following would form a specular reflection.

a)

window glass

b)

ground glass

c)

paper

d)

rough metal

32.

In the ray diagram shown, find the angle of incidence of the second ray.

a)

 5°5\degree  

b)

 25°25\degree  

c)

 35°35\degree  

d)

 55°55\degree  

e)

 60\degree  

33.

A ray of light is incident towards a plane mirror at an angle of 30-degrees with the mirror surface. What will be the angle of reflection?

a)

30

b)

60

c)

120

d)

150

34.

Which one of the following is the image obtained by the plane mirror ?

a)
b)
c)
d)
e)
35.

List the characteristics of image formed by a plane mirror 

a)

Real, Erect, Small

b)

Virtual, Erect, Same size

c)

Real, Inverted, Large

d)

Virtual, Inverted, large

36.

A pencil is 15 cm from the plane mirror, what is the distance from the image to the mirror ?

a)

15 cm

b)

30 cm

c)

35 cm

d)

60 cm

37.

3. Why is an ambulance written in a reversed way?

a)

A. So that it will appear different from the other transportations.

b)

B. So that people could distinguish it as emergency transportation.

c)

C. It could help drivers with eye problems to recognize the ambulance.

d)

D. So that the driver could read it as AMBULANCE in his rearview mirror.

38.

4. Look at the image of the word PHYSICS in a plane mirror. Which of the following is its correct image?

a)
b)
c)
d)
39.

What is the size and position of an image formed by a plane mirror?

a)

same size, closer to the mirror

b)

larger size, closer to the mirror

c)

same size, same distance away from the mirror

d)

reduced, farther from the mirror

40.

Kaleidoscope is a toy that uses_____________________to reflect object and create patterns.

a)

light and mirror

b)

device

c)

window

41.

Which statement is true for plane mirrors?

a)

They are flat, smooth surfaces that produce diffuse reflection.

b)

They are curved, smooth surfaces that produce diffuse reflection.

c)

They are flat, smooth surfaces that produce specular reflection.

d)

They are curved, smooth surfaces that produce specular reflection.

42.

In plane mirrors, what is the equation relating the position of an object (xo),\left(x_o\right), and the position of its image (xi)\left(x_i\right) , with respect to the mirror?

a)

 xo=xix_o=x_i  

b)

 xo=xix_o=-x_i  

c)

 xo=xi-x_o=-x_i  

d)

 xo=2xix_o=2x_i  

43.

Which of the following shows mainly diffuse reflection?

a)
b)
c)
d)

All of the above.

44.

The sum of angle of incidence and the angle of reflection in the shown picture will be

a)

600

b)

500

c)

1200

d)

1000

45.

If ray of light falls perpendicular to the surface of an object, the angle of reflection will be

a)

900

b)

1800

c)

00

d)

None of the above

46.

Two mirrors A and B are placed at right angles to each other as shown in figure. A ray of light incident on mirror A at an angle of 300 falls on mirror B after reflection. The angle of reflection for the ray reflected from mirror B would be

a)

200

b)

450

c)

600

d)

650

47.

What is the angle of incidence of a ray if the reflected ray is at an angle of 90° to the incident ray?

a)

900

b)

300

c)

450

d)

1800

48.

How many images are obtained when plane mirrors are arranged parallel to each other?

a)

Single Image

b)

Zero image

c)

Infinite number of images

d)

Ten images

49.

There are 11 letters in the word 'EXAMINATION'. How many letters of this word are not changed when the word is seen in a plane mirror?

a)

9

b)

7

c)

8

d)

6

50.

If two plane mirrors are inclined at an angle of 40°, number of images formed will be

a)

9

b)

8

c)

7

d)

6