For an adiabatic expansion of an ideal gas, the fractional change in its pressure is equal to (where γ is the ratio of specific heats): For an adiabatic expansion of an ideal gas the fractional change in its pressure is equal to (where γ is the ratio of specific heats): September 29, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related