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प्रश्न
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?
विकल्प
Both rods
Rod-2
Rod-1
None of them
उत्तर
Rod-1
APPEARS IN
संबंधित प्रश्न
Match the following.
| Conduction | Liquid |
| Convection | Gas to liquid |
| Radiation | Solid to gas |
| Sublimation | gas |
| Condensation | Solid |
What is conduction?
Liquids and gases are generally ______ conductors of heat.
How can you experimentally prove water is a bad conductor of heat? How is it possible to heat water easily while cooking?
Mud houses are cooler in summer and warmer in winter because ______.
Match the following
| 1. | Convection | a. | liquids and gases |
| 2. | Convection | b. | Poor conductor |
| 3. | Radiation | c. | Solids |
| 4. | Snow | d. | Vacuum |
What is the transfer of heat?
When we heat one end of an iron rod, its other end also gets heated. Can you say, Which one of the following is behind this?
When a dog keeps out its tongue and breathes hard, the moisture on the tongue turns into ______ and it evaporates.
Give some practical applications of conduction in daily life.
