Heat & Thermodynamics · JEE Main previous year questions

2023 27 questions

1. Q372023 · 24 Jan 2023 · Shift 2

   Let ${\gamma }_1$ be the ratio of molar specific heat at constant pressure and molar specific heat at constant volume of a monoatomic gas and ${\gamma }_2$ be the similar ratio of diatomic gas. Considering the diatomic gas molecule as a rigid rotator, the ratio, $\frac{{\gamma }_1}{{\gamma }_2}$ is :

   1. A.$\frac{35}{27}$
   2. B.$\frac{25}{21}$
   3. C.$\frac{21}{25}$
   4. D.$\frac{27}{35}$
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   Answer: B

2. Q392023 · 24 Jan 2023 · Shift 2
   
   1. A.
   2. B.
   3. C.
   4. D.
   Show answer

   Answer: B