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Author Question: What is the index of refraction inside a certain transparent material if the critical angle is found ... (Read 54 times)

stephzh

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What is the index of refraction inside a certain transparent material if the critical angle is found to be 48. (air is outside)?
 
  A) 1.49
  B) 1.48
  C) 1.35
  D) 0.743
  E) 1.22

Question 2

A nearsighted person has a far point that is 4.2 m from his eyes. What focal length lenses must he use in his contact lenses to allow him to focus on distant objects?
 
  A) -4.2 m
  B) 4.2 m
  C) -5.2 m
  D) 5.2 m
  E) 4.8 m


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shoemake

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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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stephzh

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Reply 2 on: Jul 27, 2018
Excellent


vickyvicksss

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Reply 3 on: Yesterday
Wow, this really help

 

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