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Heat and Thermodynamics question

2023 · 6 Apr · Shift 1 · Q60
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  5. /2023 · 6 Apr · Shift 1 · Q60

Heat and Thermodynamics question

2023 · 6 Apr · Shift 1 · Q60

JEE MainPhysicsHeat and ThermodynamicsMCQ+4 / −1
The number of air molecules per cm 3^33 increased from 3×10193\times10^{19}3×1019 to 12×101912\times10^{19}12×1019. The ratio of collision frequency of air molecules before and after the increase in number respectively is:
  1. A
    1.25
  2. B
    0.25
  3. C
    0.50
  4. D
    0.75
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