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A monoatomic ideal gas, initially at temperature T1, is enclosed in a cylinder fitted with a frictionless piston. The gas is allowed to expand adiabatically to a temperature Tby releasing the piston suddenly. If L1 and L2 are the lengths of the gas column before and after expansion respectively, then T1 /T2 is given by
Select one:
  • a)
  • b)
  • c)
    L
    2
     
    /L1
  • d)
    (L1 /L2)
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A monoatomic ideal gas, initially at temperature T1, is enclosed in a ...
During adiabatic expansion, we known

For a monoatomic gas, 
 (A = Area of cross-section of piston)

The correct answer is: (L2 /L
1
)2/3
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Most Upvoted Answer
A monoatomic ideal gas, initially at temperature T1, is enclosed in a ...
During adiabatic expansion, we known

For a monoatomic gas, 
 (A = Area of cross-section of piston)

The correct answer is: (L2 /L
1
)2/3
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A monoatomic ideal gas, initially at temperature T1, is enclosed in a cylinder fitted with a frictionless piston. The gas is allowed to expand adiabatically to a temperature T2by releasing the piston suddenly. If L1 and L2 are the lengths of the gas column before and after expansion respectively, then T1 /T2 is given bySelect one:a)b)c)L2/L1d)(L1 /L2)Correct answer is option 'B'. Can you explain this answer?
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