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Question

Figur shows PT diagram for a given mass of an ideal gas for the process AB. During this process, density of the gas is

1152043_57c621803357400fbdad053ac882a723.png

A
Decreasing
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B
Increasing
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C
Constant
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D
First decreasing then increasing
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Solution

The correct option is A. Constant


Given: P-T diagram

Solution:
Density of gas will be constant as from graph pressure is directly proportional to the temperature
For ideal gas PV=nRT
From this relation V is constant
Density =massvolume
As mass and volume both are constant so it's density will also constant

Hence C is the correct option.

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