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LIGHT GRADE 8

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

1. Sami is 50 cm from a vertical mirror. He moves 20cm away. The distance between his image and himself is then ………….

a)

100cm

b)

120cm

c)

140cm

d)

40cm

2.

2. The imaginary line perpendicular to the mirror is called the

a)

Incident ray

b)

reflected ray

c)

normal line

3.

3. The angle between the reflected ray and the normal line is called the:

a)

Angle of incidence

b)

Angle of reflection

c)

angle of convergent

4.

4. If the angle of incidence is 45 degree, what is the angle of reflection?

a)

90°

b)

45°

c)

180°

5.

The Law of reflection states that - The angle of incidence is .................. the angle of reflection

a)

equal to

b)

double

c)

half

6.

The ray of light that strikes a mirror is called ________

a)

an incident ray

b)

a reflected ray

c)

a normal ray

7.

Why can you see most objects?

a)

they emit light

b)

light refracts through them

c)

light reflects off them

d)

They absorb light

8.

A _________ forms when the path of light is blocked.

a)

sun

b)

circle

c)

line

d)

shadow

9.

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

10.

Light is a form of

a)

reflection

b)

art

c)

energy

d)

none of above