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प्रश्न
Name three types of heat transfer.
उत्तर
- Conduction
- Convection
- Radiation
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संबंधित प्रश्न
Match the following.
| Conduction | Liquid |
| Convection | Gas to liquid |
| Radiation | Solid to gas |
| Sublimation | gas |
| Condensation | Solid |
What is conduction?
Two cylindrical rods of same length have the area of cross section in the ratio 2:1. If both the rods are made up of same material, which of them conduct heat faster?
Liquids and gases are generally ______ conductors of heat.
Assertion: Food can be cooked faster in vessels with copper bottom.
Reason: Copper is the best conductor of heat.
How can you experimentally prove water is a bad conductor of heat? How is it possible to heat water easily while cooking?
When two objects are in thermal contact, the heat is transferred by ______.
Why do we wear woolen clothes in winter?
We can observe all three ways of heat transfer while ______.
Name a device that prevents loss of energy (or gain) by conduction, convection, and radiation.
