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Match the following
Column-I Column-II
A) An ideal gas undergoes a process from A to B
P) $ΔQ$ can be +ve
B)
An ideal gas undergoes a process from A to B
Q) $ΔQ$ can be -ve
C) An ideal gas undergoes a process from A to B
R) $ΔU$ can be +ve
D) An ideal gas undergoes a cyclic process ABA
S) $ΔU$ can be -ve
T) W can be +ve

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A-P, Q, R, S, T; B-P, R, T; C-P, R, T; D-P, T

A-P, Q, R, S, T; B-P, S, T; C-P, R, T; D-Q, T

A-P, Q, T, R, S; B-P, Q, T; C-P, R, T; D-S, T

A-P, S, T, Q, R; B-P, T, R; C-P, R, T; D-R, T

answer is A.

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Detailed Solution

$Δ U$ is positive. If $T_{f} > T_{i}$
$Δ W$ is positive. If volume increases.
$Δ Q$ is definitely positive. If both $Δ U a n d Δ W$ are positive.

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