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Author Question: A certain diatomic molecule emits a photon of energy 1.20 eV when it makes a transition from the n = ... (Read 56 times)

bcretired

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on: Jul 29, 2018
A certain diatomic molecule emits a photon of energy 1.20 eV when it makes a transition from the n = 1 vibrational state to the next lower vibrational state.
 
  What is the frequency of vibration of the molecule? (h = 6.626  10-34 J  s, h = 1.055  10-34 J  s, 1 eV = 1.60  10-19 J)
  A) 1.93  1014 Hz
  B) 2.73  1015 Hz
  C) 4.35  1014 Hz
  D) 2.90  1014 Hz
  E) 1.82  1015 Hz

Question 2

A 360-nm thick oil film floats on the surface of a pool of water water. The indices of refraction of the oil and the water are 1.5 and 1.33, respectively.
 
  When the surface of the oil is illuminated from above at normal incidence with white light, what are the two wavelengths of light between 400 nm to 800 nm wavelength that are most strongly reflected?
  A) 430 nm and 720 nm
  B) 450 nm and 740 nm
  C) 490 nm and 780 nm
  D) 410 nm and 700 nm
  E) 470 nm and 760 nm
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cloudre37

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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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bcretired

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

pratush dev

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Reply 3 on: Yesterday
Excellent

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