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प्रश्न
What is the difference between transparent and opaque materials?
उत्तर
| Transparent materials | Opaque materials |
| 1. Transparent objects allow the lights to pass through them. | Opaque objects do not allow light to pass through them. |
| 2. We can see other objects clearly through transparent objects. | We cannot see through opaque objects. |
| 3. Example: air, glass, pure water. | Example: wood, stone, and metals. |
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संबंधित प्रश्न
Give one natural source of light.
What is an incandescent body? Give example.
What do you mean by scattering of light?
Match the following.
| 1. | Light source | Glass |
| 2. | Waterproof | Vegetable oil |
| 3. | Transparent | Sun |
| 4. | Translucent | Metal |
| 5. | Opaque | Rain coat |
Opaque objects do not allow light to pass through them.
Write whether the objects are transparent, translucent, or opaque.
 |
 |
 |
| ________ | _________ | _________ |
 |
 |
 |
| ______ | ______ | ______ |
Classify the objects given below as transparent, translucent, or opaque materials.
| Air | Rock | Water | Aluminium foil | Mirror | Snow |
| Wooden board | Polythene bag | CD | Oil soaked paper | Glass tumbler | Coloured glass |
| Transparent Materials | Translucent Materials | Opaque Materials |
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Observe the picture given in Fig. 11.6. A sheet of some material is placed at position ‘P’, and still the patch of light is obtained on the screen. What is the type of material of this sheet?
You are given a transparent glass sheet. Suggest any two ways to make it translucent without breaking it.
