A. Conduction only
B. Convection only
C. Radiation only
D. All these methods

Correct Answer: Option C

C. Radiation only

Explanation

Vacuum is an enclosure with no air or agent of heat transfer

SEE ALSO  A zinc has a heat capacity of 40 J/K; what is the mass of the zinc; given that the specific heat of zinc is 380 J/kg k

Copyright warnings! Do not copy.