Question

Total no .of lines in Lyman series of H spectrum will be (where n = no.of orbits) :

• A. n
• B. n(n - 1)/2
• C. n - 2
• D. n(n + 1)

Answer 1

Answer: (B)

n(n - 1)/2

Total no .of lines in Lyman series of H spectrum will be $\frac{n(n-1)}{2}$.