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  4. A hypothetical gas expands adiabatically such that its volume changes from 08 litres to 27 litres. If the ratio of final pressure of the gas to initial pressure of the gas is (16/8 1). Then the ratio of (C p/C v) will be.

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Q. A hypothetical gas expands adiabatically such that its volume changes from $08$ litres to $27$ litres. If the ratio of final pressure of the gas to initial pressure of the gas is $\frac{16}{8 1}$. Then the ratio of $\frac{C p}{C v}$ will be.

JEE MainJEE Main 2023Thermodynamics

Solution:

Correct answer is (d) $\frac{4}{3}$