1.
Sun and stars are the _______sources of light.
2.
Light travel _______ km in one second in air or vacuum.
3.
The fastest speed in the universe is the speed of _______.
4.
We can see clearly across _______object.
5.
The bouncing back of light from a non-transparent surface is called _______ of light.
6.
When an object is nearer to the source of light, its shadow is _______.
7.
The light reflected from the moon reaches us in _______seconds.
8.
The objects through which light can pass partially are called _______objects.
9.
When a_______ object blocks the path of light, a shadow of the object is formed.
10.
Light is a form of _______.
11.
Light travels in a _______line.
12.
When light striking the objects is reflected towards our eyes are called _______ objects.
13.
The objects through which light can pass completely are called _______objects.
14.
Air is the example of
15.
The light from the sun reaches on the Earth after _______ minutes.
16.
Which is/are the source of light?
17.
The objects which do not allow light to pass through them are called _______objects.
18.
The _______ is not a natural source of light.
19.
When an object is at greater distance from the source of light, its shadow becomes _______.
20.
Our day start with the rising of the _______.
21.
The objects which emit light are called _______objects.
22.
Shadow is made in the _______ direction of the source of light.
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