A reversible adiabatic path on a P-V diagram for an ideal gas passes through state A where `P = 0.7 xx 10^(5) N//m ^(2) and v = 0.0049 m ^(3).` The ratio of specific heat of the gas is 1.4. The slope of path at A is

An ideal gas with pressure P , volume V and temperature T is expanded isothermally to a volume 2V and a final pressure P_i . If the same gas is expanded adiabatically to a volume 2V , the final pressure is P_a . The ratio of the specific heats of the gas is 1.67 . The ratio of P_a / P_i is ........

An ideal gas with pressure P, volume V and temperature T is expanded isothermally to a volume 2V and a final pressure P_i, If the same gas is expanded adiabatically to a volume 2V, the final pressure P_a. The ratio of the specific heats of the gas is 1.67. The ratio (P_a)/(P_1) is .......

An ideal gas with pressure P, volume V and temperature T is expanded isothermally to a volume 2V and a final pressure P_i, If the same gas is expanded adiabatically to a volume 2V, the final pressure P_a. The ratio of the specific heats of the gas is 1.67. The ratio (P_a)/(P_1) is .......

An ideal gas with pressure P, volume V and temperature T is expanded isothermically to a volume 2V and a final pressure P_i, If the same gas is expanded adiabatically to a volume 2V, the final pressure P_a. The ratio of the specific heats of the gas is 1.67. The ratio (P_a)/(P_1) is .......

During an adiabatic process of an ideal gas, if P is proportional to (1)/(V^(1.5) , then the ratio of specific heat capacities at constant pressure to that at constant volume for the gas is

An ideal gas with pressure P, volume V and temperature T is expanded isothermally to a volume 2V and final pressure P_(I) . The same gas is expanded adiabatically to a volume 2V and final pressure in this case is P_(A) . In terms of the ratio of the two specific heats for the gas gamma , the ratio P_(I)//P_(A) is