Advertisements
Advertisements
प्रश्न
Name the SI unit of heat.
Advertisements
उत्तर
Joule is the SI unit of heat.
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 |
Define the term calorie. How is it related to joule (the S.I. unit 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
Give scientific reason.
Dew drops form on the grass in winter.
Give a scientific reason.
In winter, why does an iron pillar feel colder than a wooden pole?
When an object is heated, the molecules that make up the object
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?
Define one calorie.
We feel the heat on our body when the ______ shines.
In the past, people used to rub two wooden pieces together to light fire.
When an electric current is passing through the conductor ______ energy is produced.
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 |
Warm air is ______.
The sum of the kinetic and potential energy is called the ______ of the molecules.
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 |
Heat gained by a body depends upon which factors?
