Free Printable End of Q1 Light Quiz

1.

The angle that is formed by normal line and incident light rays is...

a)

The angle of incident

b)

The angel of refraction

2.

Which of the following shows the principle of light refraction? Tick the correct answers.

a)

A

b)

B

c)

D

d)

E

e)

F

3.

Which of the following shows the principle of light reflection? Tick the correct answers.

a)

A

b)

B

c)

D

d)

E

e)

F

4.

This picture of the mountain shows _____.

a)

Reflection

b)

Refraction

5.

Light travels in (a) lines.

Choose from the below words

straight

diagonal

wavy

zigzag

broken

6.

Why can you see most objects?

a)

they emit light

b)

light refracts through them

c)

light reflects off them

d)

They absorb light

7.

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

8.

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

a)

56^o

b)

90^o

c)

124^o

d)

34^o

9.

Diagram shows the condition of a spoon in a glass of water.

What can be observed about the spoon?

a)

The spoon looks bent.

b)

The water is clearer.

c)

The water level rises.

d)

Light is refracted.

10.

Law of reflection state that - The angle of incidence is .................. to the angle of reflection.

a)

equal

b)

double

c)

half

11.

What do you call a line perpendicular to the surface?

a)

Medium

b)

Normal

c)

Ray

d)

Reflection

12.

What is the angle of incidence?

a)

The angle at which light bends in water.

b)

The angle at which light hits a surface.

c)

The angle at which light is absorbed by an object.

d)

The angle at which light bounces off a surface.

13.

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

14.

Light waves bending through a prism is an example of:

a)

Reflection

b)

Refraction

c)

Absorption

15.

Diagram shows a phenomenon occurs when the spotlight is directed onto a mirror surface. What is the principle of light shown in the situation?

a)

Light travels in a straight line

b)

Refraction of light

c)

Reflection of light

d)

Light travels in parallel

16.

The arrows in the diagrams below represent light. Which diagram best shows how a

glass mirror would reflect light?

a)

b)

c)

d)

17.

What is this a picture of?

a)

reflection

b)

refraction

18.

The farther light is from a source,

a)

the more spread out light becomes.

b)

the more condensed light becomes.

c)

the more bright light becomes.

d)

the more light is available per unit area.

19.

Snow reflects almost all of the light incident upon it. However, a single beam of light is not reflected in the form of parallel rays. This is an example of ____ reflection off of a ____ surface.

a)

regular; rough

b)

regular; specular

c)

diffuse; specular

d)

diffuse; rough

20.

A highly polished finish on a new car provides a ____ surface for ____ reflection.

a)

rough; diffused

b)

specular; diffused

c)

rough; regular

d)

smooth; specular

21.

If a light ray strikes a flat mirror at an angle of 39° from the normal, the reflected ray will be

a)

$39\degree\ from\ the\ normal$

b)

$51\degree\ from\ the\ normal$

c)

$39\degree\ from\ the\ mirror's\ surface$

d)

$29\degree\ from\ the\ mirror's\ surface$

22.

If a light ray strikes a flat mirror at an angle of 21° from the normal, the reflected ray will be

a)

$21\degree\ from\ the\ normal$

b)

$69\degree\ from\ the\ normal$

c)

$21\degree\ from\ the\ mirror's\ surface$

d)

$52\degree\ from\ the\ mirror's\ surface$

23.

Consider the diagram at the right. Which one of the angles (W, X, Y, or Z) is the angle of incidence? ______ Which one of the angles is the angle of reflection?________

a)

W, X

b)

X, Y

c)

Y, X

d)

W,Z

24.

When light strikes a surface that is rough is called

a)

Diffuse Reflection

b)

Reflection of Light

c)

Refraction of Light

d)

Specular Reflection

25.

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

a)

True

b)

False

26.

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

27.

Given that the angle of incidence = 30 degrees

Which is the correct diagam?

a)

A

b)

B

c)

C

d)

D

28.

This reflection says that when a ray of light hits a surface, it bounces in a certain way.

a)

Law of reflection

b)

Diffuse reflection

c)

Specular reflection

29.

Which statement is true?

a)

incidence angle is 10 degree

b)

incidence angle is 80 degree

c)

reflection angle is 10 degree

d)

reflection angle is 90 degree

30.

What is C in the image?

a)

Reflected ray

b)

The angle of reflection

c)

Incident ray

d)

The angle of incidence

End of Q1 Light Quiz

Total questions: 30

Worksheet time: 34mins

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