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प्रश्न
If you apply some heat energy to a substance, which of the following can take place in it?
पर्याय
Expansion
Increase in temperature
Change of state
All the above
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उत्तर
All the above
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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 |
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Define one calorie.
Why does the bottom of a lake not freeze in severe winter though the surface is all frozen?
Analogy:
Movement of molecules:: Heat.
Heat energy:: ______.
The water in the black can becomes ______ than that in a white can after exposure to the sun.
In summer, we prefer light – colored clothes and in winter we usually wear dark – colored clothes.
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 |
The sum of the kinetic and potential energy is called the ______ of the molecules.
