The wavelength of the first line of Lyman series is given by 1 / λ = R * (1 / 1² - 1 / 2²). The value of λ is
Q1. The wavelength of the first line of Lyman series is given by 1 / λ = R * (1 / 1² - 1 / 2²). The value of λ is
Answer: 121.6 nm
Explanation: 1 / λ = R * (1 - 1/4) = 3R/4, λ = 4 / (3R) = 121.6 nm.