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प्रश्न
You are standing at a distance of 2 meters from a plane mirror.
What is the distance between you and your image?
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उत्तर
Distance between me and my image is 4 metre.
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संबंधित प्रश्न
Fill in the blank
A plane mirror _________ reflects 100 percent light falling on it.
The following diagram shows a point object O placed in front of a plane mirror. Take two rays from the point O and show how the image of O is formed and seen by the eye.
Explain the following term:
Reflected ray. Draw diagram/diagrams to show them.
Explain the following term:
Angle of incidence. Draw diagram/diagrams to show them.
A light ray is incident normally on a plane mirror. What is the direction of reflected ray? Show it on a diagram.
How many images will be formed when an object is placed between two parallel plane mirrors with their reflecting surfaces facing each other? Why do more distant images appear fainter?
What is a real image?
Match the following:
| 1. | Vegetable oil | a. | Transparent |
| 2. | Glass | b. | Translucent |
| 3. | Wood | c. | Waterproof |
| 4. | Aluminum foil | d. | Opaque |
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.
