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प्रश्न
Give a scientific reason.
In winter, why does an iron pillar feel colder than a wooden pole?
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उत्तर
In winter, an iron pillar feels colder than a wooden pole because iron is a good conductor of heat, while wood is a poor conductor.
When we touch the iron pillar, it quickly absorbs heat from our skin and transfers it away, making it feel colder. On the other hand, wood does not conduct heat efficiently, so it does not draw heat from our skin as quickly, making it feel relatively warmer.
संबंधित प्रश्न
Which of the following substances will absorb more heat energy?
The process of converting a liquid into a solid is called ________.
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.
We feel the heat on our body when the ______ shines.
In the arrangements A and B shown in the following figure, pins P and Q are fixed to a metal loop and an iron rod with the help of wax. In which case are both the pins likely to fall at different times? Explain.
Black color is a ______ absorber of heat.
You would have noticed some space being left on railway tracks. Why?
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 |
