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प्रश्न
Name the SI unit of heat.
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उत्तर
Joule is the SI unit of heat.
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संबंधित प्रश्न
Fill in the blank
Heat is a form of _______.
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 |
Name the three modes of transfer of heat.
While deciding the unit for heat, which temperature interval is chosen? Why?
What will absorb heat?
Steel spoon
What will absorb heat?
Iron griddle (tava)
What will absorb heat?
Plastic plate
What will absorb heat?
Soil
The amount of heat gained by a substance is equal to the product of its mass and latent heat.
A device in which the loss of heat due to conduction, convection and radiation is minimized is ______.
Ice is kept in a double-walled container. Why?
We reduce the heat by adding ______ while preparing fruit juice.
We feel the heat on our body when the ______ shines.
______ is a form of energy.
We can absorb heat by rubbing two surfaces of some substances.
In the past, people used to rub two wooden pieces together to light fire.
Arrange the following in order of decreasing the expansion of heating: Steel, milk, air.
In which of the following, chemical energy is converted into heat energy?
On a cold day, it is hard to open the lid of a tight container. But when you gently heat the neck you can easily open the lid. why?
