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Light

Total questions: 15

Worksheet time: 7mins

Name
Class
Date
1.

Which of these provides the best explanation for why the pencil appears broken?

a)

The pencil absorbs the light rays that hit it.

b)

Water reflects light rays away from the pencil.

c)

Light rays are bent by the water in the glass.

d)

The surface of the water reflects the light rays.

2.

Caleb is sitting near the window on a sunny day. When he closes the curtain, the room becomes darker. What property of the curtain allows it to make the room darker?

a)

The curtain absorbs light.

b)

The curtain is brightly colored.

c)

The curtain folds easily.

d)

The curtain is rectangular shape.

3.

Light travels in straight lines until reflected by another object. Which illustration best shows the light being reflected?

a)
b)
c)
d)
4.

Which of the following is the best example of an object absorbing light?

a)

A black sweater in the sun.

b)

A clean window in the sun.

c)

A curved mirror in the sun.

d)

A long shadow in the sun.

5.
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
6.
The imaginary line perpendicular to a reflecting surface is called _____.
a)
crooked line
b)
parallel line
c)
angular line
d)
normal line
7.
Light travels in ___________ lines
a)
wavy
b)
bent
c)
straight
d)
backwards
8.
The imaginary line perpendicular to a reflecting surface is called _____.
a)
crooked line
b)
parallel line
c)
angular line
d)
normal line
9.
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.
10.
........... – the angle between the normal and the incident ray.
a)
Angle of incidence
b)
Angle of reflection
c)
Angle of coincidence
d)
Angle of direction
11.
........... – 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
12.
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
a)
equal
b)
double
c)
half
13.
Which of the following is not a source of light? 
a)
A. candle
b)
B. caver’s lamp
c)
C. mirror
d)
D. sun
14.
If his lamp stopped working, what would the caver be able to see? 
a)
A. the tunnel to the cave
b)
B. a mirror
c)
C. nothing
d)
D. the walls of the cave
15.
Why can you see most objects? 
a)
they emit light
b)
light refracts through them
c)
light reflects off them
d)
They absorb light