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Atomic Number and Mass Number

The 'rms' spe...

Question

The 'rms' speed of oxygen molecular $(O_{2})$ at a certain temperature T is V. If on increasing the temperature of the oxygen gas to 2T, the oxygen molecules dissociate into atomic oxygen, find the speed of the oxygen atom.

A

2 V

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B

V

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C

\frac{V}{2}

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D

3 V

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Solution

The correct option is A $2 V$
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