question_answer

An ideal gas at atmospheric pressure is adiabatically compressed so that its density becomes 32 times of its initial value. If the final pressure of gas is 128 atmospheres, the value of \['\gamma '\] the gas is:  [JEE ONLINE 22-04-2013]

A)  1.5                  

B)      1.4

C)  1.3      

D)                  1.6

Correct Answer: B

Solution :

[b] Volume of the gas

and

using

or