Advertisements
Advertisements
प्रश्न
Select the correct alternative
If we add a lump of ice to a tumbler containing water,
पर्याय
heat flows from water to ice
heat flows from ice to water
heat flows from water to ice if water is more
heat flows from ice to water if ice is more
उत्तर
heat flows from water to ice
APPEARS IN
संबंधित प्रश्न
No medium is required for transfer of heat by the process of ______.
Write true or false for a given statement.
Black surfaces are the poor absorbers of heat radiations.
Fill in the blank
Heat transfer in solids is by ______
Select the correct alternative
In the process of convection, heat travel
Conduction of heat takes place through a ______ substance.
The earth receives heat from the sun by ______.
What are the modes of heat transfer?
Explain which mode of heat transfer causes sea breezes and land breezes.
Why are heaters fitted near the floor and air conditioners near the ceiling of a room?
Match the items in column-I to the items in column-II
Column-I | Column-II | ||
1. | Linear expansion | (a) | change in volume |
2. | Superficial expansion | (b) | hot body to cold body |
3. | Cubical expansion | (c) | 1.381 X 10-23 JK-1 |
4. | Cubical expansion | (d) | change in length |
5. | Boltzmann constant | (e) | change in area |