WorksheetsLight
Total questions: 12
Worksheet time: 8mins
Name
Class
Date
1.
Any object that produces light is called a ______ of light.
a)
shadow
b)
screen
c)
source
d)
formation
2.
Examples of natural sources of light are
a)
star
b)
lightening
c)
bulb
d)
fire
3.
Examples of artificial sources of light are
a)
fire flies
b)
sun
c)
torch
d)
bulb
4.
Light travels at a speed of ______ km/s.
a)
3000
b)
3 million
c)
3 lakh
d)
30 lakh
5.
Light travels in a ...
(a)
6.
Objects that are translucent are
a)
water
b)
frosty glass
c)
cellophane
d)
tracing paper
7.
Objects that are transparent are
a)
glass
b)
chalk
c)
water
d)
coloured glass
8.
(a) objects form faint shadows.
9.
______ objects do not form any shadow.
a)
opaque
b)
transparent
c)
translucent
10.
______ objects form dark shadows.
a)
transparent
b)
translucent
c)
opaque
11.
For the formation of shadow, we need
a)
light
b)
sun
c)
screen
d)
object
12.
Can we see through all things?
a)
Yes
b)
No
100 %
