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प्रश्न
Define the term heat.
व्याख्या
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उत्तर
The kinetic energy due to random motion of the molecules of a substance is known as its heat energy.
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संबंधित प्रश्न
Fill in the blank
Heat is a form of _______.
If objects of equal masses are given equal heat, their final temperature will be different. This is due to difference in their ______.
While deciding the unit for heat, which temperature interval is chosen? Why?
What will absorb heat?
Glass vessel
What will absorb heat?
Plastic plate
We feel the heat on our body when the ______ shines.
We can absorb heat by rubbing two surfaces of some substances.
In the past, people used to rub two wooden pieces together to light fire.
Match the following
| 1. | Heat | a. | Good absorber |
| 2. | Temperature | b. | Form of energy |
| 3. | Black surface | c. | Insulators |
| 4. | Rubber, cork | d. | The measure of hotness or coldness |
You would have noticed some space being left on railway tracks. Why?
