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Heat and Thermodynamics question

2023 · 15 Apr · Shift 1 · Q61
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  5. /2023 · 15 Apr · Shift 1 · Q61

Heat and Thermodynamics question

2023 · 15 Apr · Shift 1 · Q61

JEE MainPhysicsHeat and ThermodynamicsMCQ+4 / −1
A flask contains Hydrogen and Argon in the ratio 2:12: 12:1 by mass. The temperature of the mixture is 30∘C30^{\circ} \mathrm{C}30∘C. The ratio of average kinetic energy per molecule of the two gases ( K\mathrm{K}K argon/K hydrogen) is : (Given: Atomic Weight of Ar=39.9\mathrm{Ar}=39.9Ar=39.9 )
  1. A
    39.92\frac{39.9}{2}239.9​
  2. B
    2
  3. C
    39.9
  4. D
    1
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