Question

10. A change in the physical state can be brought about
(a) only when energy is given to the system
(b) only when energy is taken out from the system
(c) When energy is either given to, or taken out from the system
(d) Without any energy change​

Answer 1

Answer:

its option c..............

Answer 2

Answer:

(c) When energy is either given to, or taken out from the system