Question

explain please...iska answer zero kese h....!!!​

Answer 1

Answer:

zero

Explanation:

formula is €n2_n1

n2=6(fifth excited state means 6) n1=2(first excited state) =€(6-2)=€4=4+3+2+1. this process is used when he given visible and I.R region but mentioned U.V (Lyman series) n1 value should be one but in question n1=2 .no lines are observed

Answer 2

Answer:0 is the answer

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