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A spectral line is obtained from a gas d...

A spectral line is obtained from a gas discharge tube at 5000Å. If the rms velocity of gas molecules is `10^5 ms^(-1)` , then the width of spectral line will be

A

`1.66 A^(0)`

B

`4.8 A^(0)`

C

`7.2 A^(0)`

D

`9.1 A^(0)`

Text Solution

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The correct Answer is:
A
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