Thermodynamics Second Law in Hindi

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 ordered crystalline Solid at absolute zero temperature is

a) Positive

b) Negative

c) Zero

d) Indeterminate

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For a process to occur spontaneously, which of the following must be true?

a) Entropy of the system increases

b) Gibbs free energy of the system increases

c) The overall entropy change is negative

d) The overall entropy change is positive

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A gas at 300 K expands isothermally from 0.1 L to 0.25 L against a constant external pressure of 2 bar. Calculate the work done by the gas (Given: 1 L·bar = 100 J)

a) 5 kJ

b) 25 J

c) −30 J

d) 30 J

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Mixing of non-reacting gases is accompanied by

a) A decrease in entropy

b) An increase in entropy

c) A change in enthalpy

d) A change in free energy

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In a spontaneous process, the combined entropy change of the system and surroundings is always

a) Less than zero

b) Greater than zero

c) Equal to zero

d) Either positive or negative

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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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Also, check out:

• Zeroth Law of Thermodynamics in Hindi
• Applied Thermodynamics MCQ
• What is Thermodynamics in Hindi