'X' is the mode of transmission of heat that takes place by the movement of particles. Identify 'X'.

Conduction

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Convection

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Radiation

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Expansion

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Solution

The correct option is B
Convection

Convection is the mode of transfer of heat by the bulk movement of particles in fluids such as gases and liquids. Conduction takes place in solids where heat transfer takes place through the vibration of electrons or ions. Here there is no actual change in the position of the molecules. Radiation is the method of heat transmission without the help of a medium. For example, the transfer of heat from the sun to the earth.

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Similar questions

'X' is the mode of transmission of heat that takes place by the movement of hot particles. Identify 'X'.

Mode of Heat Transfer	Mechanism
1. Conduction	(a) Heat transfer occurs through electromagnetic waves without involving particles.
2. Convection	(b) Transfer of heat through the movement of liquids and gases.
3. Radiation	(c) Heat transfer takes place between objects by direct contact.

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