Question

Four molecule of a gas are having speeds of `1, 4, 8` and `16 ms^(-1)`. The root mean square velocity of the gas molecules is
A. 7.25m/s
B. 52.56m/s
C. 84.25m/s
D. 9.2m/s

Answer 1

Correct Answer - D
`v_(rms)=sqrt((v_(1)^(2)+v_(2)^(2)+v_(3)^(2)+v_(4)%(2))/(4))`