The second member of Balmer series of hydrogen atom has wavelength 4860 A°. Calculate Rydberg's constant. Hence, calculate the energy in ev when X election is orbiting in the third Bohr orbit Planck's constant = 6.63 × 10 -34 Jg Speed of light = 3 × 108 m/s 1 eV = 1·6 x 10 ¹⁹ J
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