question_answer

      Which of the following statements is/ are false about mode of heat transfer?

I. In radiation, heat is transferred from one medium to another without affecting the intervening medium

II. Radiation and convection are possible in vacuum while conduction requires material medium.

III. Conduction is possible in solids while convection occurs in liquids and gases.

A) I only               

B)      II only

C) II and III            

D)      I, II and III