What is the minimum thickness of a nonreflecting film coating (n ...

[natalie2426]

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

[al]

Answer to Question 1

D

Answer to Question 2

E

[natalie2426]

TYSM

[Animal_Goddess]

Excellent