Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Atoms

Question:

A flask contains Argon and Chlorine in the ratio of 2 : 1 by mass. The temperature of the mixture is 27°C. The ratio of root mean square speed of molecules of two gases will be: (atomic mass of Argon = 40 u and molecular mass of Chlorine = 71 u)

Options:

1.78

1.33

2

1

Correct Answer:

1.33

Explanation:

The correct answer is Option (2) → 1.33