Advertisements
Advertisements
प्रश्न
Select the correct alternative
Heat in a liquid is transferred by
विकल्प
conduction
convection
radiation
conduction and radiation
Advertisements
उत्तर
convection
APPEARS IN
संबंधित प्रश्न
Give two examples each of conductors and insulators of heat.
Write true or false for a given statement.
On touching a lump of ice, we feel cold because some heat passes from our body to the ice.
Write true or false for a given statement.
Medium is necessary for the transfer of heat by radiation.
Select the correct alternative
If we add a lump of ice to a tumbler containing water,
Select the correct alternative
In the process of convection, heat travel
______ of heat does not require a medium.
The earth receives heat from the sun by ______.
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 |
The handles of cooking utensils are made of ______.
When a liquid boils, energy is absorbed.
