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Question

The transference of heat in fluids by hot particles rising is called .......... .

A
Conduction
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B
Radiation
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C
Convection
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D
Current
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Solution

The correct option is C Convection
In liquids and gases, convection is usually the most efficient way to transfer heat. Convection occurs when warmer areas of a liquid or gas rise to cooler areas in the liquid or gas. As this happens, cooler liquid or gas takes the place of the warmer areas which have risen higher. This cycle results in a continuous circulation pattern and heat is transferred to cooler areas.Hence, Option c is correct. The rest of the options do not express this condition, hence incorrect.

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