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1. |
N (< 100) molecules of a gas have velocities 1, 2, 3,........ N km/s respectively. Then ratio of rms speed and average speed is |
A. | 1 |
B. | \[\frac{\sqrt{\left( 2N+1 \right)\left( N+1 \right)}}{6N}\] |
C. | \[\frac{\sqrt{\left( 2N+1 \right)\left( N+1 \right)}}{6}\] |
D. | \[2\sqrt{\frac{2N+1}{6\left( N+1 \right)}}\] |
Answer» E. | |