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The wave emitted by any atom or molecule...

The wave emitted by any atom or molecule must have some finitetotal length which is known as the choherence length. For sodium light, this length is `2.4 cm`. The number of oscillations in this length will be Given `lambda=5900A^(@)`

A

`4.068xx10^(5)Hz`

B

`4.068xx10^(4)Hz`

C

`4.068xx10^(6)Hz`

D

`4.068xx10^(8)Hz`

Text Solution

Verified by Experts

The correct Answer is:
B
No. of ocillations in this length `=(l)/(lambda)`
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