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11. thermodynamics — Physics STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 SciencePhysics11. thermodynamics1 Mark
MCQ
In the adiabatic compression, the decrease in volume is associated with
  • A
    increase in temperature and decrease in pressure
  • B
    decrease in temperature and increase in pressure
  • C
    decrease in temperature and decrease in pressure
  • ✓
    increase in temperature and increase in pressure
✓

Answer

Correct option: D.
increase in temperature and increase in pressure
d
For an adiabatic process we have $P \times V^{\gamma}=k$ where $k$ is a constant

And similarly, $T \times V^{\gamma-1}=l$ where $l$ is a constant.

Therefore, the decrease in volume is associated with increase in temperature as well as increase in pressure.

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