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प्रश्न
Name the SI unit of heat.
Write the SI unit of heat.
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उत्तर
Joule (J) is the SI unit of heat.
संबंधित प्रश्न
Cooking utensils are made from metals due to their property of ______.
What will absorb heat?
Steel spoon
What will absorb heat?
Wooden board
What will absorb heat?
Soil
1 calorie is 4.81 joules.
The unit of heat and temperature are the same.
If you apply some heat energy to a substance, which of the following can take place in it?
We can absorb heat by rubbing two surfaces of some substances.
When an electric current is passing through the conductor ______ energy is produced.
The water in the black can becomes ______ than that in a white can after exposure to the sun.
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 |
Assertion: Small gaps left between railway lines.
Reason: It allows for the contraction of rails during summer.
You would have noticed some space being left on railway tracks. Why?
Arrange the following in order of decreasing the expansion of heating: Steel, milk, air.
What is heat energy?
In which of the following, chemical energy is converted into heat energy?
Explain the following effects of heat.
Chemical changes
