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Author Question: When white light is dispersed in a prism, the fastest light is A) red. B) orange. C) green. D) ... (Read 118 times)

leo leo

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on: Jul 29, 2018
When white light is dispersed in a prism, the fastest light is
 
  A) red.
  B) orange.
  C) green.
  D) blue.
  E) same in all

Question 2

When viewing a seascape, what is a major difference in the effect of wearing polarizing sunglasses versus sunglasses that simply cut down on intensity?
 
  What will be an ideal response?


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enass

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

Answer: A

Answer to Question 2

Answer: Much of the glare from surfaces is polarized in a plane matching that of the reflecting surface. Glare from water, for example, is horizontally polarized. Glasses that transmit only vertically-polarized light cut down on the glare, whereas regular sunglasses don't discriminate between glare and bright light.


leo leo

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

dantucker

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Reply 3 on: Yesterday
Excellent

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