Q68. A container is filled with oxygen and helium at the same temperature. The molar mass of oxygen is 32 g/mol and that of helium is 4 g/mol. What is the ratio:average speed of oxygen molecules / average speed of helium moleculesPhysics — Heat and Thermodynamics — Question 68 of 415A. 1/√8 B. √8 C. 1/8 D. 8 Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →