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प्रश्न
If you apply some heat energy to a substance, which of the following can take place in it?
पर्याय
Expansion
Increase in temperature
Change of state
All the above
MCQ
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उत्तर
All the above
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संबंधित प्रश्न
Name the mode of transfer of heat in the following :
(a) solid,
(b) liquid,
(c) gas
(d) vacuum
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Wooden spoon
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Soil
Give a scientific reason.
In winter, why does an iron pillar feel colder than a wooden pole?
With the help of a diagram, show that water is a bad conductor of heat.
We can absorb heat by rubbing two surfaces of some substances.
How can heat energy be generated?
Warm air is ______.
The sum of the kinetic and potential energy is called the ______ of the molecules.
Match the following:
| Column A | Column B | ||
| 1. | Heat | a. | Heat gained or lost in the change of state without any change in temperature |
| 2. | m × L. | b. | Heat gained or lost when there is no change of state |
| 3. | Temperature | c. | Form of energy |
| 4. | m × s × t | d. | SI unit of specific latent heat |
| 5. | J/Kg | e. | degree of hotness or coldness |
