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Author Question: A photon of blue light and a photon of red light are traveling in vacuum. The photon of blue light ... (Read 166 times)

student77

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on: Jul 29, 2018
A photon of blue light and a photon of red light are traveling in vacuum. The photon of blue light
 
  A) has a smaller wavelength than a photon of red light and travels with the same speed.
  B) has a smaller wavelength than a photon of red light and travels with a greater speed.
  C) has a longer wavelength than a photon of red light and travels with the same speed.
  D) has a longer wavelength than a photon of red light and travels with a greater speed.

Question 2

An electron in an infinite potential well (a box) makes a transition from the n = 3 level to the ground state and in so doing emits a photon of wavelength 20.9 nm
 
  . (c = 3.00  108 m/s, h = 6.626  10-34J  s, mel = 9.11  10-31 kg)
  (a) What is the width of this well?
  (b) What wavelength photon would be required to excite the electron from its original level to the next higher one?
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lkoler

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Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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student77

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

helenmarkerine

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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