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Temperature

An ideal gas ...

Question

An ideal gas is heated during state change pressure varies linearly with respect to temperature, as shown in figure then work done by gas

A

May be zero

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B

May be negative

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C

Is positive

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D

Is negative

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Solution

The correct option is C Is positive

Slope of the dotted lines are inversely proportional to volume of the gas. Their slope is decreasing and so the volume is increasing.

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