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Author Question: An electron is confined in a harmonic oscillator potential well. What is the longest wavelength of ... (Read 48 times)

tichca

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on: Jul 29, 2018
An electron is confined in a harmonic oscillator potential well. What is the longest wavelength of light that the electron can absorb
 
  if the net force on the electron behaves as though it has a spring constant of 74 N/m? (mel = 9.11  10-31 kg, c = 3.00  108 m/s, 1 eV = 1.60  10-19 J, h = 1.055  10-34 J  s, h = 6.626  10-34 J  s)
  A) 200 nm B) 230 nm C) 220 nm D) 210 nm

Question 2

The radius of a star is 6.95  108 m, and its rate of radiation has been measured to be 5.32  1026 W.
 
  Assuming that it is a perfect emitter, what is the temperature of the surface of this star? ( = 5.67  10-8 W/m2  K4 )
  A) 6.27  103 K
  B) 8.25  103 K
  C) 8.87  103 K
  D) 3.93  107 K
  E) 5.78  107 K
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ririgirl15

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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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tichca

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Reply 2 on: Jul 29, 2018
Gracias!

kthug

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

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