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Convection

In the proces...

Question

In the process of convection, how is heat carried from the hot to the cold part?

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Solution

In the process of convection, heated molecules of a liquid or gas move themselves to carry heat from the hot to the cold region.

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Similar questions

Q. Which of the following statement(s) is/ are true about convection?
1. Convection requires a medium for transfer of heat.
2. In liquids, the predominant mode of heat transfer is convection.
3. In convection, heat flows from the cold end to the hot end of the substance.

Q. Convection is the process of transfer of heat in:

Q. Read the given statements and select the correct option.
Statement 1: An iron ball at

35^{o} C

is dropped in a mug containing water at

305.15 K

. Then the heat will flow from the water to the iron ball.
Statement 2: In convection, heated molecules of a liquid themselves move to carry heat from the hot region to the cold region.

Q. In which method of transfer of heat do the molecules travel from the hot the cold protion?

(a) conduction
(b) convection
(c) radiation
(d) all of the above

Q. Assertion :While measuring the thermal conductivity of liquid experimentally, the upper layer is kept hot and the lower layer is kept cold. Reason: This avoids heating of liquid by convection.

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