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Author Question: An electron in a hydrogen atom has principal quantum number n = 4. How many possible values of the ... (Read 66 times)

tingc95

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on: Jul 29, 2018
An electron in a hydrogen atom has principal quantum number n = 4. How many possible values of the orbital quantum number l could it have?
 
  A) 8
  B) 9
  C) 3
  D) 4
  E) 10

Question 2

The magnitude of the Poynting vector of a planar electromagnetic wave has an average value of 0.724 W/m2.
 
  What is the maximum value of the magnetic field in the wave? (c = 3.0 x 108 m/s, 0 = 4  10-7 T  m/A, 0 = 8.85  10-12 C2/N  m2)
  A) 77.9 nT
  B) 55.1 nT
  C) 38.9 nT
  D) 108 nT
  E) 156 nT


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pallen55

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

D

Answer to Question 2

A


tingc95

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

sultana.d

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Reply 3 on: Yesterday
:D TYSM

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