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Heat and Thermodynamics question

2021 · 18 Mar · Shift 2 · Q57
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  5. /2021 · 18 Mar · Shift 2 · Q57

Heat and Thermodynamics question

2021 · 18 Mar · Shift 2 · Q57

JEE MainPhysicsHeat and ThermodynamicsMCQ+4 / −1
For an adiabatic expansion of an ideal gas, the fractional change in its pressure is equal to (where γ\gammaγ is the ratio of specific heats) :
  1. A
    −1γdVV- {1 \over \gamma }{{dV} \over V}−γ1​VdV​
  2. B
    −γVdV- \gamma {V \over {dV}}−γdVV​
  3. C
    −γdVV- \gamma {{dV} \over V}−γVdV​
  4. D
    dVV{{dV} \over V}VdV​
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