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Chapter 11: Q75P (page 467)

According to the Bohr model of the hydrogen atom, what is the magnitude of the translational angular momentum of the electron (relative to the location of the proton) when the atom is in the 2nd excited state above the ground state(N=3)?

Short Answer

Expert verified

The magnitude of the translational angular momentum of the electron is 3.162脳10-34J路s.

Step by step solution

01

Definition of angular momentum

The angular momentum is defined as the multiplication of the moment of inertia and the angular velocity of a body.

02

Find the magnitude of the translational angular momentum of the electron.

The possible state of the hydrogen atom whose translation angular momentum is an integer multiple ofh .

L鈫�trans,C=Nh路路路路路路1

Hereh鈫� Planck鈥檚 constant1.054脳10-34J路s.

For the second excited state of the atom,N=3

On substituting all numerical values in equation(1), the magnitude of the translational angular momentum of the electron as

L鈫�trans,C=Nh=31.054脳10-34J路s=3.162脳10-34J路s

Hence, the magnitude of the translational angular momentum of the electron is 3.162脳10-34J路s.

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