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Grade: 11

                        

If the radius of the first Bohr orbit is x then the radius of the third orbit would be

3 years ago

Answers : (1)

Arun
24742 Points
							

All you need to know in order to answer this question is that the radius of an orbit depends on the principal quantum numbern, that describes the energy level on which the electron is located.

If you take a0 to be the Bohr orbit, you can say that you have

rn=n2a0

In your case, the third orbit is characterized by

n=3

so you will have

r3=32a0=9a0

3 years ago
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