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NEET UG CHEMISTRY MCQ: STATES OF MATTER

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Application +4 | -1
A flask has 10 gas particles, out of which four particles are moving at 7Β msβˆ’17 \mathrm{~ms}^{-1} and the remaining are moving at the same speed of ' X\mathrm{X} ' msβˆ’1\mathrm{ms}^{-1}. If the r.m.s. of the gas is 5Β msβˆ’15 \mathrm{~ms}^{-1}, what is the value of XX ?
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Correct option: A
3
Option A (3) is correct because the root mean square speed formula is used to solve for the unknown speed X.

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