Physics-
General
Easy
Question
A closed container is fully insulated from outside. One half of it is filled with an ideal gas X separated by a plate P from the other half Y which contains a vacuum as shown in figure. When P is removed, X moves into Y. Which of the following statements is correct?
- No work is done by X
- temperature in X decreases
- internal energy in X increases
- pressure of X doubles
The correct answer is: No work is done by X
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