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A Light Ray is Incident Normally on a Plane Mirror. What is the Direction of Reflected Ray? Show It on a Diagram.

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प्रश्न

A light ray is incident normally on a plane mirror. What is the direction of reflected ray? Show it on a diagram.

आकृति
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उत्तर

Same as the incident ray

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अध्याय 7: Reflection of Light - Exercise 7 (A) [पृष्ठ १५३]

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सेलिना Concise Physics [English] Class 9 ICSE
अध्याय 7 Reflection of Light
Exercise 7 (A) | Q 8.2 | पृष्ठ १५३

संबंधित प्रश्न

State the characteristics of the image formed by a plane mirror.


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.


An object 3 cm high produces a real image 4.5 cm high when placed at a distance of 20 cm from a concave mirror. Calculate:

  1. the position of image
  2. focal length of the concave mirror.

What do you mean by light?

Is light a form of energy?

What is meant by a ray of light?

A boy is standing in front of a plane mirror at a distance of 3 m from it.
(i) What is the distance between the boy and his image?
(ii) If the boy moves 1 m backward, find the distance between the image and the boy.


An object is placed in front of a convex mirror of focal length 25 cm. By scale, a drawing shows the formation of image and states the nature of image.
Given that v = 10 cm.


A ray of light is travelling in a direction perpendicular to the boundary of a parallel glass slab. The ray of light ______.


A burning candle in water

Take a shoe box, open on one side. Place a small lighted candle in it. Place a clear glass sheet (roughly 25 cm × 25 cm) in front of this candle figure. Try to locate the image of the candle behind the glass sheet. Place a glass of water at its position. Ask your friends to look at the image of the candle through the sheet of glass. Ensure that candle is not visible to your friends. Your friends will be surprised to see the candle burning in water. Try to explain the reason.


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