# Answer the Following Question. State Bohr'S Quantization Condition of Angular Momentum. Calculate the Shortest Wavelength of the Bracket Series and State to Which Part of the Electromagnetic - Physics

#### Question

Numerical

State Bohr's quantization condition of angular momentum. Calculate the shortest wavelength of the Bracket series and state to which part of the electromagnetic spectrum it belongs.

#### Solution

According to Bohr's quantization, the electrons revolve around the nucleus only in those orbits for which the angular momentum is the integral multiple of

h/(2pi)

L = (nh)/2

for bracket series n2 = ∞

1/λ = R_HZ^2{1/4^2 - 1/∞}

1/λ = R_H/16

λ = 16/R_H = 14.58 xx 10^-7m

This wavelength belongs to the infrared region.

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