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प्रश्न
Two students while sitting across a table looked down on to its top surface. They noticed that they could see their own and each other’s image. The table top is likely to be made of:
विकल्प
unpolished wood
red stone
glass sheet
wood top covered with cloth
उत्तर
glass sheet
Explanation:
Out of the given options, only glass sheet can reflect light properly in order to form their images
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संबंधित प्रश्न
How does a light ray travel?
Give one natural source of light.
Why is the moon not considered as a luminous body?
What is an incandescent body? Give example.
How will you convert a glass sheet into a translucent sheet?
Match the following.
| 1. | Light source | Glass |
| 2. | Waterproof | Vegetable oil |
| 3. | Transparent | Sun |
| 4. | Translucent | Metal |
| 5. | Opaque | Rain coat |
What is the difference between transparent and opaque materials?
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 |
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.
