SATHEE: Thermodynamics Question 47

Thermodynamics Question 47

Question: A gas is suddenly compressed to one fourth of its original volume. What will be its final pressure, if its initial pressure is P

[Pb. PET 2002]

Options:

A) $Δ U = - W$ in an adiabatic process

B) $Δ U = W$ in an isothermal process

C) $Δ U = - W$ in an isothermal process

D) $Δ U = W$ in an adiabatic process

Show Answer

Answer:

Correct Answer: A

Solution:

According to the first law of thermodynamics $Δ Q = Δ U + Δ W$ In adiabatic process $Δ Q = 0$ , hence $d U = - d W$

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Thermodynamics Question 47

Question: A gas is suddenly compressed to one fourth of its original volume. What will be its final pressure, if its initial pressure is P

Options:

Answer:

Solution:

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