1. The expansion of unit mass of a perfect gas at constant pressure is shown in the diagram. Here
Text Solution
Verified by ExpertsThe correct answer is:
C
In the given graph line have a positive slop with X -axis and negative intercept on Y -axis.
So we can write the equation of line y = mx – c ...... (i)
According to Charle’s law 
, by rewriting this equation we get
......(ii)
By comparing (i) and (ii) we can say that time is represented on Y -axis and volume in X -axis.
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