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Author Question: If the index of refraction of a material is 2, this means that light travels A) 2 times as fast ... (Read 57 times)

mspears3

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on: Jul 29, 2018
If the index of refraction of a material is 2, this means that light travels
 
  A) 2 times as fast in air as it does in vacuum.
  B) 2 times as fast in the material as it does in air.
  C) 2 times as fast in vacuum as it does in the material.
  D) 2 times as fast in the material than it does in vacuum.
  E) 1/2 as fast in air as it does in the material.

Question 2

A light beam has speed c in vacuum and speed v in a certain plastic. The index of refraction n of this plastic is
 
  A) n = cv.
  B) n = (v/c)2.
  C) n = v/c.
  D) n = c/v.
  E) n = (c/v)2.
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kxciann

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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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mspears3

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Reply 2 on: Jul 29, 2018
Excellent

duy1981999

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Reply 3 on: Yesterday
Wow, this really help

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