Thermodynamics-Work in Thermodynamic Process and PV Diagrams (KVPY Stream SB-SX (Class 12 & 1st Year B.Sc.) Physics): Questions 7 - 8 of 8

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Question number: 7

» Thermodynamics » Work in Thermodynamic Process and PV Diagrams

Appeared in Year: 2015

MCQ▾

Question

An ideal gas undergoes a circular cycle centered at 4atm, 4 lit as shown in the diagram. The maximum temperature attained in this process is close to,

PV diagram of a circular cycle

PV Diagram of a Circular Cycle

In figure an ideal gas undergoes a circular cycle centered at 4 atm and 4 lit is shown by PV diagram.

Choices

Choice (4) Response

a.

36R

b.

30R

c.

16R

d.

24R

Question number: 8

» Thermodynamics » Work in Thermodynamic Process and PV Diagrams

Appeared in Year: 2016

MCQ▾

Question

A gas at initial temperature T undergoes sudden expansion from volume V to 2V . Then –

Choices

Choice (4) Response

a.

The work done in this process is nRTlne(2) where n is the number of moles of the gas

b.

The process is adiabatic

c.

The entropy in the process does not change

d.

The process is isothermal

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