The wavelength of the electron is 1085nm.
The wavelength refers to the horizontal distance that is covered by a wave. Now we know that according to the Bohr Model of the atom, electrons move from a higher to a lower energy level leading to the emission of a ray of light with a characteristic wavelength.
Now Using the formula;
1/λ = RH (1/n2^2 - 1/n1^2)
Where;
λ = wavelength
n1 = initial energy level
n2 = final energy level
RH = Rydberg's constant
1/λ = 1.097 * 10^7(1/3^2 - 1/6^2)
1/λ = 1.097 * 10^7( 0.111 - 0.027)
λ = 1.085 * 10^-6 m or 1085nm
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