When you look into a pool of water, the depth looks less than it actually is because of
a. interference.
b. diffraction.
c. specular reflection.
d. refraction.
e. polarization.
d
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What term describes a consistent natural phenomenon for which there is an incomplete scientific explanation?
a. scientific theory b. law of nature c. hypothesis d. scientific law e. scientific method
A thin film appears cyan when illuminated with white light. The color being cancelled by destructive interference is
A) red. B) green. C) white. D) blue. E) none of the above
What physics principle can be demonstrated by rubbing two transparency sheets with tissue paper and then holding them near each other?
A) the electric motor B) certain features of the frictional force C) a new feature about the gravitational force D) the electric force E) the magnetic force
Nuclear power reactors cause less atmospheric pollution that fossil fuel power plants and produce no greenhouse gasses
A. true B. false