Consider two containers A and B containing identical gases at the same pressure, volume and temperature. The gas in container A is compressed to half of its original volume isothermally while the gas in container B is compressed to half of its original value adiabatically. The ratio of final pressure of gas in B to that of gas in A is

(a) 2 γ - 1  

(b) 1 2 γ - 1   

(c) ( 1 1 - γ ) 2  

(d) 1 γ - 1 2  

0 3 Views | Posted 4 months ago
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    Answered by

    Payal Gupta | Contributor-Level 10

    4 months ago

    This is a multiple choice answer as classified in NCERT Exemplar

    (a) Container A is isothermal and container B is adiabatic

    For isothermal process P1V1=P2V2

    Po (2Vo)= P2 (Vo)

    P2= 2Po

    for adiabatic process

    P1V1y= P2V2y

    Po (2Vo)y=P2 (Vo)y

    P2= ( 2 V o V o )yPo= 2yPo

    Hence ratio of final pressure = 2 γ P o 2 P o = 2 γ - 1

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