A uniform film of oil (n = 1.31) is floating on water. When sunlight in air is incident normally on the film, an observer finds that the reflected light has a brightness maximum at ? = 450 nm and a brightness minimum at ? = 600 nm. What is the thickness of the oil film?
What will be an ideal response?
343.5 nm
You might also like to view...
Which of the following living organisms most resemble the common ancestor of all life according to genetic testing?
A) bacteria such as E. coli B) organisms living deep in the oceans around seafloor volcanic vents C) plankton that use sunlight as an energy source through photosynthesis D) viruses E) stromatolites
When you encounter a calculation where the integral sum of the ___________ of the particle being somewhere in space is greater than ___________, then the problem is most likely caused by lack of _________. Fill in the missing words
If a man wishes to use a plane mirror on a wall to view both his head and his feet as he stands in front of the mirror, the required length of the mirror:
a. depends on both the height of the man and the distance from the man to the mirror. b. is equal to the height of the man. c. is equal to one-half the height of the man. d. depends on the distance the man stands from the mirror.
The superposition of two waves, 
and 
,results in a wave with a frequency of
A. 85 Hz. B. 170 Hz. C. 85? Hz. D. 340 Hz. E. 170? Hz.