Physics · 2021
JEE Main · 18 March 2021, Shift 2 · Q9
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 $\displaystyle \gamma$ is the ratio of specific heats) :
Official answer
(1)
$\displaystyle -\gamma \frac{d V}{V}$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.