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Author Question: An oil layer that is 5.0 cm thick is spread smoothly and evenly over the surface of water on a ... (Read 51 times)

joe

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An oil layer that is 5.0 cm thick is spread smoothly and evenly over the surface of water on a windless day. A light ray from the air above enters the oil at 45 with the normal and then goes into the water.
 
  What is the angle of refraction of this ray in the water? The index of refraction for the oil is 1.15, and for water it is 1.33.
  A) 27 B) 36 C) 32 D) 39

Question 2

An electron has a speed of 0.783c. Through what potential difference would the electron need to be accelerated from rest in order to reach this speed? The rest mass energy of an electron is 0.511 MeV.
 
  A) 310 kV
  B) 260 kV
  C) 360 kV
  D) 400 kV


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kilada

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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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joe

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Reply 2 on: Jul 29, 2018
Wow, this really help


brbarasa

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Reply 3 on: Yesterday
:D TYSM

 

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