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In a H- like sample electron makes trans...

In a H- like sample electron makes transition from 4th excited state of 2nd state then:

A

10 different spectral lines are observed

B

6 different spectral lines are observed

C

Number of line belonging to the the Blamer series id 3.

D

Number of line belonging to the the Blamer series id 2.

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The correct Answer is:
B, C, D
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