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प्रश्न
What will absorb heat?
Wooden spoon
विकल्प
Will absorb heat
Will not absorb heat
उत्तर
Will not absorb heat
Explanation:
Wood is a poor conductor of heat. It absorbs heat very slowly and does not transmit it at all, so wooden spoons protect your hands from burning even when placed in hot pots.
संबंधित प्रश्न
Define one kilo-calorie of heat.
What will absorb heat?
Glass vessel
Calorie is the unit of ______.
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?
Observe the picture given in Figure 4.8. Water is being boiled in a pan of wide base.
- Which position P or T will feel warmer?
- Fill up the boxes P and T to indicate the mode of flow of heat to the hand.
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 |
Assertion: Small gaps left between railway lines.
Reason: It allows for the contraction of rails during summer.
Heat gained by a body depends upon which factors?
