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heat - Physics Previous Year Asked Questions with Answers (English) - ObjectiveMCQ

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heat in Physics : PYQs with Answers

1 questions · Page 1 of 1

SSC CGL 2022Heat

1.

Which mode of heat transfer does not require a material medium?

A

Conduction

B

Convection

C

Radiation

D

Both conduction and convection

Correct Answer:

C — Radiation

Explanation:

Radiation transfers heat through electromagnetic waves and does not need any medium, unlike conduction and convection.