gamma represents the ratio of two specific heats of a gas. For a given mass of the gas, the change in internal energy when the volume expands from V to 3V to constant pressure P is gamma represents the ratio of two specific heats of a gas. For a given mass of the gas the change in internal energy when the volume expands from V to 3V to constant pressure P is September 12, 2021 Category: Chapter 15 - Thermodynamics , MTG NEET Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related