﻿ Determine the speed of electron in the n = 3 orbit of He+. Is the non-relativistic approximation valid? Datas as above.   : Kaysons Education

# Determine The Speed Of Electron In The n = 3 Orbit Of He+. Is The Non-relativistic Approximation Valid? Datas As Above.

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## Question

### Solution

Correct option is

The electron speed in the nth orbit of one-electron (hydrogen-like) atoms is given by

For He+ : Z = 2. Thus, the speed in the n = 3 orbit is

= 0.0048.

Since v < < c, the non-relativistic approximation is valid.

#### SIMILAR QUESTIONS

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.

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Q10

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