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Author Question: In a ruby laser, an electron jumps from a higher energy level to a lower one. If the energy ... (Read 85 times)

panfilo

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on: Jul 29, 2018
In a ruby laser, an electron jumps from a higher energy level to a lower one. If the energy difference between the two levels is 1.8 eV, what is the wavelength of the emitted photon?
 
  A)
 
  350 nm
  B)
 
  470 nm
  C)
 
  650 nm
  D)
 
  690 nm
  E)
 
  960 nm

Question 2

The color charge of leptons is
 
  A)
 
  violet.
  B)
 
  red.
  C)
 
  blue.
  D)
 
  zero.
  E)
 
  green.


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ilianabrrr

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

D

Answer to Question 2

D


panfilo

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Reply 2 on: Jul 29, 2018
Gracias!

sultana.d

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Reply 3 on: Yesterday
Excellent

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