Answer:

Explanation:
As we know that rms speed of ideal gas is given by the formula

here we know that

molecular mass of gas is given as

now from above formula we have

now we have

Because it is not dominant? that is what im guessing
The answer is D hope it helps
The correct answer for the question that is being presented above is this one: "(a)4." Suppose that during any period of 1/4 second there is one instant at which the crests or troughs of component waves are exactly in phase and maximum <span>reinforcement occurs, in 1 second, there will be 4 beats.</span>
Where is the data for this question? what is the purpose ?