The number of air molecules per cm 3 increased from 3 × 10 19 to 12 × 10 19 . The ratio of collision frequency of air mo…

The number of air molecules per cm³ increased from 3 × 10¹⁹ to 12 × 10¹⁹. The ratio of collision frequency of air molecules before and after the increase in number respectively is:

[JEE Main 2023, 6 Apr (Shift 1)]