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Author Question: What is the minimum thickness of a nonreflecting film coating (n = 1.30 ) on a glass lens (n = 1.50 ... (Read 106 times)

natalie2426

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on: Jul 29, 2018
What is the minimum thickness of a nonreflecting film coating (n = 1.30 ) on a glass lens (n = 1.50 ) for wavelength 500 nm?
 
  A)
 
  250 nm
  B)
 
  192 nm
  C)
 
  167 nm
  D)
 
  96.2 nm
  E)
 
  83.6 nm

Question 2

A flywheel rotating at 640 rev/min is brought to rest with a uniform deceleration of 2.0 rad/s2. How many revolutions does it make before coming to rest?
 
  A)
 
  320
 
  B)
 
  17
 
  C)
 
  160
 
  D)
 
  360
 
  E)
 
  180


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al

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

D

Answer to Question 2

E


natalie2426

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Reply 2 on: Jul 29, 2018
Gracias!

tanna.moeller

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Reply 3 on: Yesterday
Excellent

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