A flask contains argon and oxygen in the ratio of 3:2 in mass and the mixture is kept at 27°C. The ratio of their average kinetic energy per molecule respectively will be :
← JEE Main 2022 · 26 Jun · Shift 2
PhysicsSingle correct+4 / -1Question 37 of 90
JEE Main 2022 · 26 Jun · Shift 2, Physics question 37
Answer and worked solution
Official answer: D
Average translational KE per molecule is , the same for any gas at the same temperature: .
(D)