Question

Which of the following mode of heat transfer not requires any medium ?


a.
Radiation


b.
Conduction & Convection


c.
Convection & Radiation


d.
Conduction

Answer 1

Answer:

$\tt \pink{a. \: \: Radiation}$

Answer 2

Answer:

The answer of your question is radiation

Radiation doesn't require any medium

Explanation:

Hope this will help you