Thin Films: A 360-nm thick oil film floats on the surface of a pool of water. The indices of refraction of the oil and the water are 1.50 and 1.33, respectively. When the surface of the oil is illuminated from above at normal incidence with white light, what is the wavelength of light between 400 nm to 800 nm wavelength that is most weakly reflected?
A. 520 nm
B. 540 nm
C. 560 nm
D. 580 nm
E. 600 nm
Answer: B
You might also like to view...
Which of the following statements best describes the quantum property spin?
A) Spin is a measure of the rotation rate of a subatomic particle. B) Spin is a measure of the rate at which a particle orbits another particle. C) Spin is a property that applies only to large objects, like baseballs. D) Spin is not meant to be taken literally, but measures the inherent angular momentum of a subatomic particle. E) Spin is not a fundamental property, but rather something that can change randomly at any time.
It was the Chinese who provided critical ancient data on supernovae and comets
Indicate whether the statement is true or false
How are the polar regions of Mercury and the Moon similar?
A) Both are covered by huge mare-type basins from impacts. B) Both seem to have ice pockets in the deepest, darkest crater floors. C) Both have bright dry ice polar caps, like Mars. D) Both have lakes of liquid water under their regolith. E) Both have been hit by large comets that melted there.
Heat is applied to an ice-water mixture to melt some of the ice. In this process
a. work is done by the ice-water mixture. b. the temperature increases. c. the internal energy increases. d. all of the above are correct.