Which of these is not correct about adiabatic expansion.
temperature of the system decreases
The heat capacity has a zero value
$$ дљКW $$ and $$ дљК E SS are negative.
internal energy increases
internal energy increases Is the correct option, Check your your study materials for clarification. In responding to the question with the right answer : Which of these is not correct about adiabatic expansion.(looking at your study materia, the answer is) internal energy increases