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Five gas molecules chosen at random are ...

Five gas molecules chosen at random are found to have speeds of 500,600m,700,800 and 900 `m//s` Then,

A

The root mean square speed and the average speed are the same.

B

The root mean square speed is 14 m/s higher than the average speed.

C

The root mean square speed is 14 m/s lower than the average speed.

D

The root mean square speed is `sqrt14` m/s higher than the average speed.

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The correct Answer is:
B
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