Thermodynamics (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 31 - 35 of 86

Visit this page to view all the question topics

To view these problems with solutions proceed here and click "Subscribe Now".

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

To view these problems with solutions proceed here and click "Subscribe Now".

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

To view these problems with solutions proceed here and click "Subscribe Now".

Question number: 33

» Thermodynamics » Thermal Equilibrium

MCQ▾

Question

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

Choices

Choice (4) Response

a.

b.

8

c.

32 times its initial pressure

d.

To view these problems with solutions proceed here and click "Subscribe Now".

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

Choices

Choice (4) Response

a.

1200°C

b.

9327°C

c.

108°C

d.

927°C

To view these problems with solutions proceed here and click "Subscribe Now".

Question number: 35

» Thermodynamics » Laws of Thermodynamics » First Law of Thermodynamics

MCQ▾

Question

The specific heat of hydrogen gas at constant pressure is and at constant volume is . If two kilogram hydrogen gas is heated from 10°C to 30°C at constant pressure, the external work done on the gas to maintain it at constant pressure is

Choices

Choice (4) Response

a.

5 ⨯ 10 3 Cal

b.

4 × 10 3 Cal

c.

4 × 10 5 Cal

d.

4 × 10 4 Cal

To view these problems with solutions proceed here and click "Subscribe Now".