The light is collimated and sent through a diffraction grating The diffraction grating separates the light into its spectrum A telescope is attached to view the spectrum and measure the angle of diffraction. Find the wavelength of the electromagnetic radiation that is emitted from an electron that relaxes from n = 3 to n = 1. Rydberg Formula Worked Example Problem . Rydberg constant was first arose from Rydberg formula as a fitting parameter. Later Neils Bohr has calculated it from fundamental constants. λ= Wavelength of the emmited light (electromagnetic rediation) in the vacuum ; R = Rydberg Constant (1.097x 10 7 m-1) ; Z = Number of proton in the nucleus of the element; n f = Principal quantum number of final state; n i = Principal quantum number of the initial state λ. n f. n i. Rydberg Constant Value. R H = Rydberg's constant (1.097 x 10 7 m-1) λ = Wavelength of the photon Enter the n f and n i in the below rydberg equation solver and click calculate to get the result. Rydberg Equation Calculator. Z . To solve the problem, start with the Rydberg equation: 1/λ = R(1/n 1 2 - 1/n 2 2) Now plug in the values, where n 1 is 1 and n 2 is 3. Rydberg Constant Value,R ∞ 10973731.568508(65) m-1: Rydberg Constant Value,R ∞ 1.097 x 10 7 m-1: Rydberg Constant In Other Units. R ∞ and electron spin g-factor are the most accurately measured physical constants. Where the Rydberg Constant is: Experimental Methods A Hydrogen Discharge lamp is used to excite atoms to make transitions between energy states producing light. where R H is Rydberg's constant, since the Z of hydrogen is 1.