1.
Cyan, yellow and magenta are

2.
Reflection obtained from a smooth surface is called a

3.
The way of light is always in a

4.
Angle between incident ray and normal ray is called angle of

5.
An instrument which enables us to see things which are too small to be seen with naked eye is called

6.
The angle of incidence is equal to the angle of

7.
In swimming pools they appear shallower than they are actual because of

8.
A spinning of rainbow colors disc will produce

9.
The kind of shadow depends on the size and position of

10.
When the speed decreases light bend towards

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