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Author Question: A hydrogen atom is in its n = 2 excited state when its electron absorbs a photon of energy 8.5 eV. ... (Read 137 times)

karen

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on: Jul 29, 2018
A hydrogen atom is in its n = 2 excited state when its electron absorbs a photon of energy 8.5 eV. What is the energy of the resulting free electron?
 
  The lowest level energy state of hydrogen is -13.6 eV. (h = 6.626  10-34 J  s, 1 eV = 1.60  10-19 J)
  A) 5.1 eV
  B) 6.6 eV
  C) 6.9 eV
  D) 7.6 eV

Question 2

A solid nonconducting sphere of radius R carries a uniform charge density throughout its volume. At a radial distance r1 = R/4 from the center, the electric field has a magnitude E0.
 
  What is the magnitude of the electric field at a radial distance r2 = 2R? A) E0/4
  B) zero
  C) E0/2
  D) E0
  E) 2E0


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ashely1112

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

D


karen

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Reply #2 on: Jul 29, 2018
TY


ashely1112

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Reply #3 on: Jul 29, 2018
You're welcome


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