Question

differentiate between radiation and convection.
class 7

Answer 1

Answer:

Conduction Convection Radiation

In conduction, heat transfer takes place between objects by direct contact. In convection, the heat transfer takes within the fluid. In radiation, heat transfer occurs through electromagnetic waves without involving particles.

The heat transfer takes place due to the difference in temperature. The heat transfer occurs due to the difference in density. The heat transfer occurs in all objects with a temperature greater than 0 K.

The heat transfer in conduction is slow The heat transfer in convection is faster. The heat transfer in radiation is the fastest.

The heat transfer occurs through a heated solid object. The heat transfer occurs through intermediate objects. For example, heat transfer between air and water.

Explanation:

Answer 2

Answer:

Radiation doesn't have medium but convention has a medium

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