In an adiabatic expansion of air (assume it a mixture of `N_2` and `O_2`), the volume increases by `5%`. The percentage change in pressure is:A. `3%`B. `4%`C. `6%`D. `7%`

In an adiabatic expansion of air (assume it a mixture of `N_2` and `O_

1.	In an adiabatic expansion of air (assume it a mixture of `N_2` and `O_2`), the volume increases by `5%`. The percentage change in pressure is:A. `3%`B. `4%`C. `6%`D. `7%`
Answer» Correct Answer - D `PV^(gamma)=` constant `P_(1)xx[(105 V)/100]^(gamma)=` constant `:.(P_(1))/Pxx[105/100]^(gamma)=1` or `(P_(1))/P=[100/105]^(gamma)` or `(P_(1))/P=[100/105]^(7//5)` `:. P_(1)=0.93 P` `:. 7%` decrease in `P`.

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In an adiabatic expansion of air (assume it a mixture of `N_2` and `O_2`), the volume increases by `5%`. The percentage change in pressure is:A. `3%`B. `4%`C. `6%`D. `7%`

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