The wavelength of a photon emitted when an electron jumps from n = 4 to n = 2 is given by 1 / λ = R * (1 / 2² - 1 / 4²). What is λ?
Q1. The wavelength of a photon emitted when an electron jumps from n = 4 to n = 2 is given by 1 / λ = R * (1 / 2² - 1 / 4²). What is λ?
Answer: 486 nm
Explanation: 1 / λ = R * (1 / 4 - 1 / 16) = R * (3 / 16), λ = 16 / (3 * R) = 486 nm.