Thermodynamics-Thermal Equilibrium (KVPY Stream SB-SX (Class 12 & 1st Year BSC) Physics): Questions 1 - 3 of 3

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Question number: 1

» Thermodynamics » Thermal Equilibrium

Appeared in Year: 2013

MCQ▾

Question

The equation of state of n moles of a non-ideal gas can be approximated by the equation,

(P+n2aV2)(Vnb)=nRT

Where a and b are constants characteristic of the gas. Which of the following can represent the equation of quasi-static adiabatic for this gas (Assume that CV, the molar heat capacity at constant volume, is independent of temperature)?

Choices

Choice (4) Response
a.

T(Vnb)CVR=constant

b.

(T+abV2R)(Vnb)RCV=constant

c.

(T+n2abV2R)(Vnb)CVR=constant

d.

T(Vnb)RCV=constant

Question number: 2

» Thermodynamics » Thermal Equilibrium

Appeared in Year: 2014

MCQ▾

Question

An ideal gas follows a process described by PV2=C from (P1, V1, T1) to (P2, V2, T2) (C is a constant). Then –

Choices

Choice (4) Response
a.

ifV2>V1thenT2<T1

b.

ifP1>P2thenV1>V2

c.

ifV2>V1thenT2>T1

d.

ifP1>P2thenT2>T1

Question number: 3

» Thermodynamics » Thermal Equilibrium

Appeared in Year: 2013

MCQ▾

Question

The bulk modulus of a gas is defined as B=VdPdV . For an adiabatic process the variation of B is proportional to Pn . For an ideal gas, n is –

Choices

Choice (4) Response
a.

52

b.

0

c.

2

d.

1

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