Question

Heat always flows from 

(1) low temperature to high temperature 

(2) high temperature to low temperature 

(3) both 1 and 2

(4) all the above

Answer 1

Correct option is (2) high temperature to low temperature

• This is the universal law of physics that in the universe, energy always flows from higher level to the lower level.
• And heat is also a form of energy so it also flows from higher temperature to the lower temperature.