Three times at three different values of constant pressure are given. Which of the following relations is correct?

P_{1} = P_{2} > P_{3}

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P_{1} = P_{2} > P_{1}

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P_{1} > P_{2} > P_{3}

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P_{3} > P_{2} > P_{1}

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Solution

The correct option is C $P_{1} > P_{2} > P_{3}$
The graph is plotted between T and V/T. The value for T is same for all the three gases while the ratio of V/T is different. We know that P is inversely proportional to V and directly proportional to T .So, greater the value of V/T less is the value of P .

Therefore, $P_{1} > P_{2} > P_{3}$

Hence , option C is correct .

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