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Modes of Heat Transfer

How heat tran...

Question

How heat transfer occurs through radiation in absence of a medium?

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Solution

Dear Student , In radiation energy is transferred by electromagnetic wave , and electromagnetic wave do not require medium to travel , hence energy is transferred without any medium. Regards!

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Q. Heat transfer through radiation cannot take place in vacuum. True or false

Q. Q. Match the following:

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.

Select the correct answer using the code given below:

Q. If heat is received by a body from a source only by radiation, how is medium in between them, affected?

A) Heat transfer by conduction and convection require a material medium.

B) Heat transfer by radiation doesn't require a material medium.

Q. Transfer of heat through electromagnetic waves occurs in

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