A silicon monoxide (n = 1.45) film of 330 nm thickness is used to coat a glass camera lens (n = 1.56). What wavelength of light in the visible region (390 to 710 nm) will be most efficiently transmitted by this system? (1 nm = 10-9 m)
a. 522 nm
c. 638 nm
b. 492 nm
d. 409 nm
C
You might also like to view...
Why is infrared much better than visible light in studying star formation?
What will be an ideal response?
An auto moves at a steady 50 mph down a straight level road. Which of the following is the forward drive force on the auto?
A) The forward push by the road on the tires. B) The drive force is actually zero in this example, because the auto is moving at a constant speed in a straight line. C) The forward push by the engine on the car. D) The backward push by the engine on the car. E) The backward push by the drive tires on the road.
By what factor does the maximum energy stored in a series RL circuit change if the resistance is doubled and the inductance is tripled in the circuit?
a. 0.67 b. 0.75 c. 0.50 d. 1.5
The study of rocks is called
a. petrology. b. mineralogy. c. paleontology. d. geology.