Physics question 24 hw 12 (if you answer please include work!)

Physics
Tutor: None Selected Time limit: 1 Day

According to the Bohr model, what is the radius of a hydrogen atom when its electron is excited to the n = 9 state?
Question 24 options:
Jul 24th, 2015

Thank you for the opportunity to help you with your question!

r = n^2a0/Z

HERE r =?, n = 9, a0 = 0.0529*10^-9m( bohr radius), z = 1

Hence, r = 9^2*0.0529*10^-9/1 = 4.2849*10^-9m

Hence, 1 is correct alternative. 

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 24th, 2015

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