Atoms and Nuclei Part 3

In hydrogen atom spectrum, ( R⟶ Rydberg's constant)
A. the maximum wavelength of the radiation of Lyman series is ‌

4

3R

B. the Balmer series lies in the visible region of the spectrum
C. the minimum wavelength of the radiation of Paschen series is ‌

9

R

D. the minimum wavelength of Lyman series is ‌

5

4R

Choose the correct answer from the options given below :