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प्रश्न
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संबंधित प्रश्न
Match the following
| Column A | Column B |
| 1. mercury | 1. insulator |
| 2. wood | 2. water from 0°C to 4°C |
| 3. Aluminum | 3.absorbs |
| 4. contracts | 4.conductor |
| 5.black surface | 5. Thermometer |
Define the term calorie. How is it related to joule (the S.I. unit of heat)?
Fill in the blank and rewrite the sentence.
If objects of equal masses are given equal heat, their final temperature will be different. This is due to difference in their ................. .
What will absorb heat?
Wooden spoon
Give a scientific reason.
In winter, why does an iron pillar feel colder than a wooden pole?
When an object is heated, the molecules that make up the object
Why does the bottom of a lake not freeze in severe winter though the surface is all frozen?
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 ______.
