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प्रश्न
What will absorb heat?
Steel spoon
पर्याय
Will absorb heat
Will not absorb heat
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उत्तर
Will absorb heat
Explanation:
Yes, a steel spoon will absorb heat quickly because steel is a good heat conductor.
- Good heat conductor: Steel (a metal) absorbs and conducts heat quickly.
- Heats up quickly: If a steel spoon is kept in contact with hot water or fire, it heats up quickly.
- Cools down quickly: Loses heat quickly, when kept in a cold place.
संबंधित प्रश्न
Draw a labelled diagram of a thermo flask. Explain how the transfer of heat by conduction, convection and radiation is reduced to a minimum in it.
While deciding the unit for heat, which temperature interval is chosen? Why?
What will absorb heat?
Iron griddle (tava)
What will absorb heat?
Soil
The unit of heat is
If you apply some heat energy to a substance, which of the following can take place in it?
A marble tile would feel cold as compared to a wooden tile on a winter morning because the marble tile ______.
The water in the black can becomes ______ than that in a white can after exposure to the sun.
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 |
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 |
