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प्रश्न
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 ................. .
उत्तर
If objects of equal masses are given equal heat, their final temperature will be different. This is due to difference in their different specific heat capacity.
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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 |
Select the correct alternative
A thermometer uses
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.
Define one kilo-calorie of heat.
What will absorb heat?
Iron griddle (tava)
What will absorb heat?
Glass vessel
What will absorb heat?
Glass
What will absorb heat?
Wooden spoon
Name the SI unit of heat.
A device in which the loss of heat due to conduction, convection and radiation is minimized is ______.
We feel the heat on our body when the ______ shines.
______ is a form of energy.
A marble tile would feel cold as compared to a wooden tile on a winter morning because the marble tile
A circular metal loop is heated at point O as shown in Figure 4.6.
(i) In which direction would heat flow in the loop?
(ii) In which order are the pins at points P, Q and R fixed with the help of wax fall if points O, P, Q and R are equidistant from each other?
Black color is a ______ absorber of heat.
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?
Explain the following effects of heat.
Chemical changes
