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प्रश्न
Select the correct alternative
In the process of convection, heat travel
पर्याय
sideways
downwards
upwards
in all directions
उत्तर
upwards
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संबंधित प्रश्न
Give two examples each of conductors and insulators of heat.
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Write true or false for a given statement.
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Select the correct alternative
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Match the items in column-I to the items in column-II
| Column-I | Column-II | ||
| 1. | Linear expansion | (a) | change in volume |
| 2. | Superficial expansion | (b) | hot body to cold body |
| 3. | Cubical expansion | (c) | 1.381 X 10-23 JK-1 |
| 4. | Cubical expansion | (d) | change in length |
| 5. | Boltzmann constant | (e) | change in area |
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