A P-V diagram is obtained by changing the temperature of the gas as shown in the diagram. During this process the gas is:

heated continuously

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cooled continuously

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heated in the beginning but cooled towards the end

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cooled in the beginning but heated towards the end

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Solution

The correct option is C heated in the beginning but cooled towards the end
$T_{3} > T_{2} > T_{1}$
extending this to our given question.
$T_{1} > T_{2} > T_{3} > T_{4}$
$∴$ It is heated from $T_{4}$ to $T_{1}$
and then cooled from $T_{1}$ to $T_{4}$

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A P-V diagram is obtained by changing the temperature of the gas as shown in the diagram. During this process the gas is:

The correct option is C heated in the beginning but cooled towards the endT3>T2>T1extending this to our given question.T1>T2>T3>T4∴ It is heated from T4 to T1and then cooled from T1 to T4

The correct option is C heated in the beginning but cooled towards the end
$T_{3} > T_{2} > T_{1}$
extending this to our given question.
$T_{1} > T_{2} > T_{3} > T_{4}$
$∴$ It is heated from $T_{4}$ to $T_{1}$
and then cooled from $T_{1}$ to $T_{4}$