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प्रश्न
What will absorb heat?
Iron griddle (tava)
विकल्प
Will absorb heat
Will not absorb heat
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उत्तर
Will absorb heat
Explanation:
Tava is usually made of iron or aluminium, which are good heat conductors. Metals absorb and transmit heat quickly.
When the tawa is heated, it absorbs heat quickly and distributes it evenly across the entire surface, cooking the food quickly. Therefore, the tawa is able to absorb heat.
संबंधित प्रश्न
Name the mode of transfer of heat in the following :
(a) solid,
(b) liquid,
(c) gas
(d) vacuum
Write scientific reason.
In the cold regions, snow falls in winter.
If you apply some heat energy to a substance, which of the following can take place in it?
The process of converting a liquid into a solid is called ________.
A device in which the loss of heat due to conduction, convection and radiation is minimized is ______.
Ice is kept in a double-walled container. Why?
Assertion: Small gaps left between railway lines.
Reason: It allows for the contraction of rails during summer.
You would have noticed some space being left on railway tracks. Why?
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 |
