Light class 8

Front

The impression of an image does not vanish immediately from the retina. It persists there for about ___________ of a second.

Back

1/16 th

Front

When we stand in front of our dressing table, our left hand seems to be right and right seems to be left. This is called

Back

Lateral inversion

Front

Sunlight, called white light, consists of __________________ colors.

Back

7

Front

If the angle of incidence of light falling on a plane mirror is 30°, what will be the angle of reflection?

Back

30°

Front

An interesting feature of a ____________ is that you will never see the same pattern again.

Back

kaleidoscope

Front

What is the term for the bending of light as it passes from one medium to another?

Back

Refraction

Front

What is the phenomenon called when light bounces off a surface?

Back

Reflection

Front

What is the name of the colors that make up white light?

Back

Spectrum

Front

What is the angle of incidence equal to when light reflects off a mirror?

Back

Angle of reflection

Front

What device is used to see distant objects clearly?

Back

Telescope