JEE Main & Advanced
Physics
Atomic Physics
Question Bank
Numerical Value Type Questions - Atoms
question_answer
Taking the wavelength of first Balmer line in hydrogen spectrum \[\left( n=3\text{ }to\text{ }n=2 \right)\] as 660 nm, the wavelength (in nm) of the \[{{2}^{nd}}\] Balmer line (n = 4 to n = 2) will be;