Q.
Choose the conditions for Reversibility are :a) There must be complete absence of dissipative forcesb) The direct and reverse processes must take place infinitely slowlyc) The temperature of the system must not differ appreciably from its surroundings.
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a
a only
b
a & b only
c
a, b and c
d
b & c only
answer is C.
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Detailed Solution
Reversible process must be a quasi static, very slow so that system is in thermo dynamical equilibrium in any intermediate stage. No loss of heat energy due to friction , viscosity etc. The net heat is not utilized in performing the net work.
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