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प्रश्न
A marble tile would feel cold as compared to a wooden tile on a winter morning because the marble tile
विकल्प
is a better conductor of heat than wooden tile.
is polished while wooden tile is not polished.
reflects more heat than wooden tile.
is a poor conductor of heat than the wooden tile.
उत्तर
is a better conductor of heat than wooden tile.
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संबंधित प्रश्न
Define one kilo-calorie of heat.
What will absorb heat?
Iron griddle (tava)
What will absorb heat?
Water
What will absorb heat?
Soil
When an object is heated, the molecules that make up the object
A device in which the loss of heat due to conduction, convection and radiation is minimized is ______.
We feel the heat on our body when the ______ shines.
We can absorb heat by rubbing two surfaces of some substances.
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 a reason for your answer.
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 |
