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प्रश्न
An object OA is placed on the principal axis of a concave mirror as shown in the figure. Copy and complete the diagram to show the formation of image.

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उत्तर

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संबंधित प्रश्न
If the angle between the plane mirror and the incident ray is 40∘, what are the angles of incidence and reflection?
State three ways in which the image formed in a plane mirror differs from the image formed in a pin hole camera.
Identify the following kind of beam 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.
______ through which light can pass completely.
A light ray enters from medium A to medium B as shown in Figure 10.2. The refractive index of medium B relative to A will be

The image formed by a plane mirror is always as far behind the mirror as far the object lies in front of it.
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.

