The kind of shadow depends on the size and position of

Cyan, yellow and magenta are

A. primary colors

B. white colors

C. secondary colors

D. tertiary colors

Reflection obtained from a smooth surface is called a

A. regular reflection

B. irregular reflection

C. both a and b

D. none

The way of light is always in a

A. bend path

B. straight line

C. convergent path

D. divergent path

Angle between incident ray and normal ray is called angle of

A. reflection

B. refraction

C. transmission

D. incident

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

A. microscope

B. telescope

C. kaleidoscope

D. periscope