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प्रश्न
What will absorb heat?
Steel spoon
विकल्प
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
Which temperature segment is chosen when determining the unit of heat? Why?
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A device in which the loss of heat due to conduction, convection and radiation is minimized is ______.
We reduce the heat by adding ______ while preparing fruit juice.
The sun gives us light and heat.
When an electric current is passing through the conductor ______ energy is produced.
To keep her soup warm Paheli wrapped the container in which it was kept with a woollen cloth. Can she apply the same method to keep a glass of cold drink cool? Give reason for your answer.
The SI unit of heat energy is ______.
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 |
On a cold day, it is hard to open the lid of a tight container. But when you gently heat the neck you can easily open the lid. why?
