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Neha Savant
Asked: 2022-11-07T08:42:33+05:30 In:

Four molecules have speeds `2 km//s, 3 km//s, 4 km//s` and `5 km//s`. The `rms` speed of these molecules in `km//s` is
A. `(1)/(2)sqrt(15)km//s`
B. `(1)/(2)sqrt(10)km/s`
C. `2.5 km/s`
D. `sqrt((15)/(2))km/s`

Four molecules have speeds `2 km//s, 3 km//s, 4 km//s` and `5 km//s`. The `rms` speed of these molecules in `km//s` is
A. `(1)/(2)sqrt(15)km//s`
B. `(1)/(2)sqrt(10)km/s`
C. `2.5 km/s`
D. `sqrt((15)/(2))km/s`
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  1. Correct Answer – D

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