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प्रश्न
What do you mean by the term reflection of light ?
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उत्तर
Reflection of light— When light strikes a polished surface it comes back in the same medium, is called reflection of light.
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संबंधित प्रश्न
Write true or false of the following statement.
The image formed by a plane mirror can be obtained on a screen.
Draw a figure showing the following.
- Incident Ray
- Normal
- Angle of incidence
- Angle of reflection
- Point of incidence
- Reflected ray
Explain the following term:
Angle of incidence. 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.
(c) Is the image formed real or virtual? Explain why?
Give two uses of concave mirror.
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 30o with the mirror, then the angle of reflection is 60o.
State whether true or false. If false, correct the statement.
The reason for brilliance of diamonds is total internal reflection of light.
You can see a rainbow only when your back is towards the sun.
Play with a mirror
Write your name with a sketch pen on a thin sheet of paper, polythene or glass. Read your name on the sheet while standing in front of a plane mirror. Now look at your image in the mirror.
