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Let X and Z bethe frequencies of series ...

Let X and Z bethe frequencies of series limit of Lyman series and Balmer series respectively. If Y is the frequency of first line of Lyman series, then

A

X-Y=Z

B

Y-X =Z

C

`Z=(X+Y)/2`

D

`(X+Y=Z)`

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The correct Answer is:
A
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