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प्रश्न
The word PLATE written on a paper is held in front of a plane mirror. Write down the letters as seen in the following case.
The paper is held parallel to the mirror.
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उत्तर
When the paper is help parallel to the mirror.
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संबंधित प्रश्न
Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain.
Fill in the blank
A plane mirror _________ reflects 100 percent light falling on it.
Draw a figure showing the following.
- Incident Ray
- Normal
- Angle of incidence
- Angle of reflection
- Point of incidence
- Reflected ray
Draw a neat two ray diagram to illustrate how a concave mirror is used as a shaving mirror.
Copy the figure. By taking two rays from point A, show the formation of image. State four characteristics of the image.
Complete the ray diagram to show the image observed by the eye after reflection in the following figure.
Locate the image termed when the object is placed between two planes as shown in the following figure.
Say TRUE or FALSE
We see a book because it reflects the light that falls on its surface
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.
