A gas is compressed adiabatically, which one of the following statement is NOT true.
JEE MAIN 2023, Medium
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(1) $\Delta Q=0$
(2) $\Delta Q =\Delta U +\Delta W$
$\Rightarrow \Delta U =-\Delta W$
adiabatic compression $( V \downarrow)$
$\Delta W =- ve \Rightarrow \Delta U =+ ve$
$\Delta U \uparrow \Rightarrow T \uparrow$
$\Delta U \neq 0$
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