In figure, \( \mathrm{A} \) and \( \mathrm{B} \) are two adiabatic curves for two different gase...

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In figure, \( \mathrm{A} \) and \( \mathrm{B} \) are two adiabatic curves for two different gases. Then gases A and B corresponds to :
(a) Ar and He respectively
- (b) \( \mathrm{He} \) and \( \mathrm{H}_{2} \) respectively
- (c) \( \mathrm{O}_{2} \) and \( \mathrm{H}_{2} \) respectively
(d) \( \mathrm{H}_{2} \) and He respectively
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