Two cylinders ${\rm{A}}$ and ${\rm{B}}$ of equal capacity are connected to each other via a stop cock. ${\rm{A}}$ contains an ideal gas at standard temperature and pressure. ${\rm{B}}$ is completely evacuated. The entire system is thermally insulated. The stop cock is suddenly opened. The process is:

JEE PHYSICS MCQ: THERMODYNAMICS

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Two cylinders

\mathrm{A}

and

\mathrm{B}

of equal capacity are connected to each other via a stop cock.

\mathrm{A}

contains an ideal gas at
standard temperature and pressure.

\mathrm{B}

is completely evacuated. The entire system is thermally insulated. The stop
cock is suddenly opened. The process is:

View answer and explanation

Correct option: B

adiabatic

Option B (adiabatic) is correct because the system is thermally insulated, meaning no heat exchange occurs with the surroundings during the expansion.

JEE PHYSICS MCQ: THERMODYNAMICS

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