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A liquid when kept inside a thermally insulated closed vessel at 25 degree celsius was mechanically stirred from outside…

Q1

A liquid when kept inside a thermally insulated closed vessel at 25 degree celsius was mechanically stirred from outside. What will be the correct option for the following thermodynamic parameters?

[JEE Main 2025, 22 Jan (Shift 1)]

a

\(∆\mathrm{U}=0,\mathrm{q}<0,\mathrm{w}>0\)

b

\(∆\mathrm{U}>0,\mathrm{q}=0,\mathrm{w}>0\)

c

\(∆\mathrm{U}<0,\mathrm{q}=0,\mathrm{w}>0\)

d

\(∆\mathrm{U}=0,\mathrm{q}=0,\mathrm{w}=0\)

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