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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.
What will absorb heat?
Soil
1 calorie is 4.81 joules.
When an object is heated, the molecules that make up the object
The unit of heat and temperature are the same.
The process of converting a liquid into a solid is called ________.
The amount of heat gained by a substance is equal to the product of its mass and latent heat.
Ice is kept in a double-walled container. Why?
We reduce the heat by adding ______ while preparing fruit juice.
We can absorb heat by rubbing two surfaces of some substances.
Analogy:
Movement of molecules:: Heat.
Heat energy:: ______.
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.
In summer, we prefer light – colored clothes and in winter we usually wear dark – colored clothes.
Which of the following is true?
In which of the following, chemical energy is converted into heat energy?
