Draw a neat diagram of reflecting periscope.

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पाठ 8: Light - Unit I Exercise I

पाठ 8 Light
Unit I Exercise I | Q 14.1

Write true or false of the following statement.

The image of the right hand in a plane mirror looks like that of a left hand.

Explain the following term:

Angle of reflection. Draw diagram/diagrams to show them.

The diagram in Figure shows a point object P in front of a plane mirror MM₁.

(a) Complete the diagram by taking two rays from the point P to show the formation of its image.

(b) In the diagram, mark the position of eye to see the image.

State whether the following statement is true or false. If false, correct it.

If a ray of light incident on a plane mirror is such that it makes an angle of 30^o with the mirror, then the angle of reflection is 60^o.

Complete the path of incident ray in the following case.

In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror?

You can see a rainbow only when your back is towards the sun.

The angle of incidence is equal to the angle of reflection for perfect reflection.