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Two different adiabatic paths for the same gas intersect two isothermals at `T_1` and `T_2` as shown in the P-V diagram. The ratio `V_a/V_b= alpha` and `V_d/V_c= beta` are such that
A. |
`alpha>beta` |
B. |
`alpha< beta` |
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C. |
`alpha=beta` |
D. |
alpha and beta depending on `T_1` and `T_2` |