Question

6. The mode of transfer of heat that requires no material medium is
a. convection.
b. radiation.
c conduction.
d. sublimation.​

Answer 1

Answer:

b. radiation

Explanation:

radiation is your answer dear .

Answer 2

Answer:

b. radiation.

is the correct answer.

Explanation:

Transfer of heat by radiation does not need any material medium. Energy from the sun comes to us by radiation.

Hope this answer helps you!