Question

which mode of heat transfer does not require a medium​

Answer 1

Answer:

Transfer of heat by radiation does not need any material medium. Energy from the sun comes to us by radiation. 1. Heat transfer through conduction is a slow process.

Answer 2

Answer:

radiation

Transfer of heat by radiation does not need any material medium. Energy from the sun comes to us by radiation. 1. Heat transfer through conduction is a slow process.