Question
Physics Question on Thermodynamics
Two thermally insulated identical vessels A and B are connected through a stopcock. A contains a gas at STP and B is completely evacuated. If the stopcock is suddenly opened then
A
temperature is halved
B
internal energy of the gas is halved
C
internal energy of the gas and pressure are halved
D
temperature and internal energy of the gas remain the same
E
pressure and internal energy of the gas remain the same
Answer
pressure and internal energy of the gas remain the same
Explanation
Solution
The correct option is (E) : pressure and internal energy of the gas remain the same