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Author Question: A beam of light traveling in air strikes a slab of transparent material. The incident beam makes an ... (Read 122 times)

storky111

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on: Jul 29, 2018
A beam of light traveling in air strikes a slab of transparent material. The incident beam makes an angle of 40 with the normal, and the refracted beam make an angle of 26 with the normal.
 
  What is the speed of light in the transparent material? (c = 3.0  108 m/s)
  A) 1.0  108 m/s
  B) 2.3  108 m/s
  C) 0.50  108 m/s
  D) 3.0  108 m/s
  E) 2.0  108 m/s

Question 2

A proton, moving east, enters a magnetic field. Because of this magnetic field the proton curves downward. We may conclude that the magnetic field must have a component
 
  A) towards the south.
  B) towards the north.
  C) towards the west.
  D) upward.
  E) downward.
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stanleka1

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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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storky111

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Reply #2 on: Jul 29, 2018
Thanks


stanleka1

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Reply #3 on: Jul 29, 2018
Welcome :)


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