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Author Question: Unpolarized light is passed through polarizer 1 . The light then goes though polarizer 2 with its ... (Read 82 times)

dbose

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on: Jul 28, 2018
Unpolarized light is passed through polarizer 1 . The light then goes though polarizer 2 with its plane of polarization at 30.0 to that of polarizer 1 . Polarizer 3 is placed after polarizer 2 . Polarizer 3 has its plane of polarization at 30.0 to the plane of polarization of polarizer 2 and at 60.0 to that of polarizer 1 . What fraction of the intensity of the original light gets though the last polarizer?
 a. 0.707
  c. 0.281
  b. 0.125
  d. 0.553

Question 2

How many calories are equal to one BTU? (One calorie = 4.186 J, one BTU = 1054 J.)
 a. 0.252
  c. 252
  b. 3.97
  d. 397


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sarah_brady415

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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


dbose

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Reply 2 on: Jul 28, 2018
:D TYSM

kusterl

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Reply 3 on: Yesterday
Wow, this really help

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