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equal amount of an Ideal diatomic gas is taken in two cylinders a and b at 300K. The Piston of A is free to move while that of B is it fixed. Same quantity of heat is given to both the cylinders. If the rise in temperature of gas is a is 30 k, the rise in temperature of gas in B is A)84k B)21k C)30k D)42k

equal amount of an Ideal diatomic gas is taken in two cylinders a and b at 300K. The Piston of A  is free to move while that of B is it fixed. Same quantity of heat is given to both  the cylinders. If the rise in temperature of gas is a is 30 k, the rise in temperature of gas in B is 
A)84k
B)21k
C)30k
D)42k

Grade:11

1 Answers

laxman
8 Points
2 years ago
A=constant pressure B=constant voulme               T[a]-temp of cylinder A
  T[a]/T[b]=C[v]/C[p]                                              T[b]-temp of cylinder B 
   30/x=5/7                                                     C[v]-specific heat at constant volume         x=42k                                                        C[p]-specific heat at constant pressure                                        
      [temp is inversly proportional to specific heat]
 

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