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In a sample of hydrogen like atom all of...

In a sample of hydrogen like atom all of which are in a ground state, a photon beam containing photons of various energies is passed. In absorption spectrum, five dark lines are observed. The maximum number of bright lines in the emission spectrum will be (assume that all transition take place)-

A

21

B

10

C

15

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
3
five dark line is line of absorption spectrum.
maximum value of state is n = 6
So line in emmision spectrum = `""^(6)C_(2)`= 15
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