Thermodynamics Second Law in Hindi. We covered all the Thermodynamics Second Law in Hindi in this post for free so that you can practice well for the exam.
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Thermodynamics Second Law Objective in Hindi for Students
The entropy of a perfectly crystalline solid at absolute zero is
(A) Positive
(B) Negative
(C) Zero
(D) Not fixed
Option c - Zero
For spontaneous process
(A) Entropy of the system increases.
(B) The free energy of the system increases.
(C) Total entropy change is always negative.
(D) Total entropy change is always positive.
Option d - Total entropy change is always positive
Under isothermal conditions, a gas at 300 K expands from 0.1 L to 0.25 L against a constant external pressure of 2 bar. The work done by the gas is (Given that 1 L bar = 100 J)
(A) 5 kJ
(B) 25 J
(C) -30 J
(D) 30 J
Option d - 30 J
Mixing of a non reacting gases accompanied by
(A) Decreases in entropy
(B) Increases in entropy
(C) Change in enthalpy
(D) Change in free energy
Option b - Increases in entropy
The total entropy of the system and surrounding a spontaneous process always
(A) < 0
(B) > 0
(C) = 0
(D) May positive or negative value
Option b - > 0
We covered all the thermodynamics second law in Hindi above in this post for free so that you can practice well for the exam.
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