Question

*In which of the following mode of heat transfer the medium is not required?*

1️⃣ radiation
2️⃣ conduction
3️⃣ convection
4️⃣ all of these​

Answer 1

the following mode of heart transfer the medium is not required is radiation

Answer 2

Answer:

1. Radiation

Explanation:

In Radiation, the heat travels without any medium. So, no medium is required for heat transfer.

Eg. Sun radiates heat to Earth without any medium of heat transfer.

Whereas in conduction and convection, Medium is necessary for heat transfer.