# Thermodynamic and Statistical Physics-Laws of Thermodynamics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 4 of 7

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## Question number: 1

» Thermodynamic and Statistical Physics » Laws of Thermodynamics

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Appeared in Year: 2013

MCQ▾

### Question

Ten grams of ice at 00 C is added to a beaker containing 30 grams of water at 250 C. What is the final temperature of the system when it comes to thermal equilibrium?

(The specific heat of water is and latent heat of melting of ice is ) (June)

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 2

» Thermodynamic and Statistical Physics » Laws of Thermodynamics

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Appeared in Year: 2014

MCQ▾

### Question

The pressure P of a fluid is related to its number density by the equation of state where and are constants. If the initial volume of the fluid is the work done on the system when it is compressed so as to increase the number density from an initial value of to is – (December)

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 3

» Thermodynamic and Statistical Physics » Laws of Thermodynamics

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Appeared in Year: 2012

MCQ▾

### Question

Let be the work done in a quasistatic reversible thermodynamic process. Which of the following statement about is correct? (December)

### Choices

Choice (4)Response

a.

is a perfect differential if the process is isothermal

b.

is always a perfect differential

c.

cannot be a perfect differential

d.

is a perfect differential if the process is adiabatic

## Question number: 4

» Thermodynamic and Statistical Physics » Laws of Thermodynamics

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Appeared in Year: 2014

MCQ▾

### Question

For a particular thermodynamic system the entropy S is related to the internal energy U and volume V by ; where c is a constant. The Gibbs potential for this system is – (June)

### Choices

Choice (4)Response

a.

b.

Zero

c.

d.

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