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प्रश्न
State whether true or false. If false, correct the statement.
The reason for brilliance of diamonds is total internal reflection of light.
विकल्प
True
False
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उत्तर
The reason for brilliance of diamonds is total internal reflection of light- True
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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.
Fill in the blank
The image formed by a plane mirror is at a distance behind the mirror as ________
Select the correct alternative
The property due to which a light ray striking a surface is returned back into the same medium is called
What is meant by lateral inversion of an image in a plane mirror ? Explain it with the help of a diagram.
State three ways in which the image formed in a plane mirror differs from the image formed in a pin hole camera.
A converging mirror, forms three times magnified virtual image when an object is placed at a distance of 8 cm from it. Calculate:
- the position of the image
- the focal length of the mirror.
Match the following:
| 1. | Vegetable oil | a. | Transparent |
| 2. | Glass | b. | Translucent |
| 3. | Wood | c. | Waterproof |
| 4. | Aluminum foil | d. | Opaque |
