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Author Question: The red light from a HeNe laboratory laser results from a transition in Ne. Determine the energy ... (Read 48 times)

tth

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on: Jul 28, 2018
The red light from a HeNe laboratory laser results from a transition in Ne. Determine the energy difference between the states if the wavelength of the light given off is 634 nm. (h = 6.63  10-34 Js, c = 3.00  108 m/s, 1 eV = 1.60  10-19 J, and 1 nm = 10-9 m)
 a. 2.22 eV
  c. 1.96 eV
  b. 1.43 eV
  d. 2.04 eV

Question 2

The stimulated emission of photons from the excited atoms in a gas laser is prompted by which of the following?
 a. nearby presence of photons of same wavelength as those emitted
  b. high flux of electrons
  c. high voltage
  d. high temperature


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nital

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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


tth

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Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

irishcancer18

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Reply 3 on: Yesterday
Excellent

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