Author Question: What is the minimum thickness of a nonreflecting film coating (n = 1.30 ) on a glass lens (n = 1.50 ... (Read 109 times)

natalie2426 · **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