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प्रश्न
Fill in the blank
Heat is a form of _______.
पर्याय
electrical energy
gravitational energy
thermal energy
None of these
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उत्तर १
Heat is a form of energy.
उत्तर २
Heat is a form of thermal energy.
संबंधित प्रश्न
Define one kilo-calorie 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?
Steel spoon
What will absorb heat?
Water
What will absorb heat?
Wooden board
What will absorb heat?
Plastic plate
Give a scientific reason.
In winter, why does an iron pillar feel colder than a wooden pole?
Complete the following sentence:
CGS units of heat is _________
The unit of heat is
If you apply some heat energy to a substance, which of the following can take place in it?
Which of the following substances will absorb more heat energy?
We feel the heat on our body when the ______ shines.
We can absorb heat by rubbing two surfaces of some substances.
When an electric current is passing through the conductor ______ energy is produced.
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.
Observe the picture given in figure. Water is being boiled in a pan of wide base.
- Which position P or T will feel warmer?
- Fill up the boxes P and T to indicate the mode of flow of heat to the hand.
The water in the black can becomes ______ than that in a white can after exposure to the sun.
What is heat energy?
Match the following:
| Column A | Column B | ||
| 1. | Heat | a. | Heat gained or lost in the change of state without any change in temperature |
| 2. | m × L. | b. | Heat gained or lost when there is no change of state |
| 3. | Temperature | c. | Form of energy |
| 4. | m × s × t | d. | SI unit of specific latent heat |
| 5. | J/Kg | e. | degree of hotness or coldness |
