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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
Name the three modes of transfer of heat.
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.
What will absorb heat?
Iron griddle (tava)
Find the odd one out and give its explanation.
If you apply some heat energy to a substance, which of the following can take place in it?
Analogy:
Movement of molecules:: Heat.
Heat energy:: ______.
A circular metal loop is heated at point O as shown in the following figure.
- In which direction would heat flow in the loop?
- In which order are the pins at points P, Q and R fixed with the help of wax fall if points O, P, Q and R are equidistant from each other?
Black color is a ______ absorber of heat.
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?
