Thermodynamics (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 30 - 34 of 86

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Question number: 30

» Thermodynamics » Concept of Temperature

MCQ▾

Question

One mole of an ideal gas at an initial temperature of Equation does 6 R joules of work adiabatically. If the ratio of specific heats of this gas at constant pressure and at constant volume is Equation , the final temperature of gas will be

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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Question number: 31

» Thermodynamics » Laws of Thermodynamics » Zeroth Law of Thermodynamics

MCQ▾

Question

One mole of an ideal gas expands at a constant temperature of 200 K from an initial volume of 10 litres to a final volume of 20 litres. The work done in expanding the gas is

(R = 8.31 J/mole-K)

Choices

Choice (4) Response

a.

750 Joules

b.

3456 Joules

c.

1728 Joules

d.

1500 Joules

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Question number: 32

» Thermodynamics » Concept of Temperature

MCQ▾

Question

An ideal gas expands in such a manner that its pressure and volume can be related by equation PV 2 = constant. During this process, the gas is

Choices

Choice (4) Response

a.

Heated

b.

Cooled

c.

First heated and then cooled

d.

Neither heated nor cooled

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Question number: 33

» Thermodynamics » Thermal Equilibrium

MCQ▾

Question

A monatomic gas Equation is suddenly compressed to of its original volume adiabatically, than the pressure of the gas will change to

Choices

Choice (4) Response

a.

Equation

b.

8

c.

32 times its initial pressure

d.

Equation

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Question number: 34

» Thermodynamics » Concept of Temperature

MCQ▾

Question

Helium at 27° has a volume of 8 litres. It is suddenly compressed to a volume of 1 litre. The temperature of the gas will be Equation

Choices

Choice (4) Response

a.

1200°C

b.

9327°C

c.

108°C

d.

927°C

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