Thermodynamics-Concept of Temperature (NEET Physics): Questions 11 - 14 of 36

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Question number: 11

» Thermodynamics » Concept of Temperature

Assertion-Reason▾

Assertion (Ꭺ)

The specific heat of a gas in an adiabatic process is zero and in an isothermal process is infinite.

Reason (Ꭱ)

Specific heat of a gas is directly proportional to change of heat in system and inversely proportional change in temperature.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

Question number: 12

» Thermodynamics » Concept of Temperature

MCQ▾

Question

One mole of an ideal gas at an initial temperature of TK does 6 R joules of work adiabatically. If the ratio of specific heats of this gas at constant pressure and at constant volume is 53 , the final temperature of gas will be

Choices

Choice (4) Response

a.

(T2A)K

b.

(T+A)K

c.

(T+2.4)K

d.

(T4)K

Question number: 13

» 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

Question number: 14

» 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 [γ=53]

Choices

Choice (4) Response

a.

1200°C

b.

9327°C

c.

108°C

d.

927°C

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