One mole of an ideal monatomic gas undergoes the following four reversible processes: Step 1- it is first compressed adiabatically from volume 8.0 ~m ³ to 1.0 ~m ³ . Step 2- then expanded isothermally at temperature T ₁ to volume 10.0 ~m ³

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One mole of an ideal monatomic gas undergoes the following four reversible processes: Step 1- it is first compressed adiabatically from volume 8.0 ~m ³ to 1.0 ~m ³ . Step 2- then expanded isothermally at temperature T ₁ to volume 10.0 ~m ³ Step 3- then expanded adiabatically to volume 80.0 ~m ³ Step 4- then compressed isothermally at temperature T ₂ to volume 8.0 ~m ³ Then T ₁ / T ₂ is

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Correct answer: B. 4

A to B array l T _ A V _ A ^ -1 = T _ B V _ B ^ -1 T ₂ ~T ₁ = ( V ₁ ~V ₂ )^ -1 = ( 1 8 )^ 5 3 -1 T ₁ ~T ₂ = ( 8 1 )^ 2 3 = 4 1 array

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