1.

A polyatomic gas (gamma = (4)/(3)) is compressed to (1)/(8)^(th) of its volume adiabatically. If its initially pressure is P_(0). Its new pressure will be

Answer»

`8P_(0)`
`16P_(0)`
`6P_(0)`
`2P_(0)`

Solution :For an adiabatic process, `PV^(gamma)` = CONSTANT
`:. P((V_(0))/(8))^(4//3) = P_(0)(V_(0))^(4//3)`
or`P = P_(0)(8)^(4//3) = P_(0)(2)^(4) = 16 P_(0)`


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