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प्रश्न
The amount of heat gained by a substance is equal to the product of its mass and latent heat.
विकल्प
True
False
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उत्तर
The amount of heat gained by a substance is equal to the product of its mass and latent heat- True.
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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 |
Draw a labelled diagram of a thermo flask. Explain how the transfer of heat by conduction, convection and radiation is reduced to a minimum in it.
While deciding the unit for heat, which temperature interval is chosen? Why?
Find the odd one out and give its explanation.
Which temperature segment is chosen when determining the unit of heat? Why?
Define one calorie.
Why does the bottom of a lake not freeze in severe winter though the surface is all frozen?
We feel the heat on our body when the ______ shines.
The water in the black can becomes ______ than that in a white can after exposure to the sun.
You would have noticed some space being left on railway tracks. Why?
