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I could not understand the solution for the ques below. May be my concepts here are not so good. Plz explain me the reason........ Que. A box containing N molecules of a perfect gas at temperatue T1 and pressure P1. The number of molecules in the box is doubled keeping the Kinetic Energy (Total) constant. If new pressure is P2 and temperature is T2 then.. (1). P2=P1, T2=T1, (2) P2=P1 , T2=T1/2 (3). P2=2P1 , T2= T1 (4) P2=2P1, T2=T1/2 Ans given is (2) Someone plz explain the reason????? Thanks in advance..........


I could not understand the solution for the ques below. May be my concepts here are not so good. Plz explain me the reason........
 
Que. A box containing N molecules of a perfect gas at temperatue T1 and pressure P1. The number of molecules in the box is doubled keeping the Kinetic Energy (Total) constant. If new pressure is P2 and temperature is T2 then..
(1). P2=P1, T2=T1,                            (2) P2=P1 ,  T2=T1/2
(3). P2=2P1 , T2= T1                         (4)  P2=2P1, T2=T1/2
 
Ans given is (2)
 
Someone plz explain the reason?????
 
Thanks in advance..........


Grade:10

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