An advantage in evaluating surface integrals related to Gauss's law for symmetric charge distributions is
A)
the flux is outward.
B)
the flux is inward.
C)
the electric field is of constant magnitude on certain surfaces.
D)
the charge is always on the surface.
E)
the electric field is a constant on any surface.
C
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A diver shines light up to the surface of a flat glass-bottomed boat at an angle of 30° relative to the normal. If the index of refraction of water and glass are 1.33 and 1.5, respectively, at what angle (in degrees) does the light leave the glass (relative to its normal)?
A. 26 B. 35 C. 42 D. 22 E. 48
What were the two primary courses of heating that let the Earth differentiate?
What will be an ideal response?
If one metal has double the number of conduction electrons per unit volume of a second metal, then its Fermi level (energy) is how many times that of the second metal?
A) 1.41 B) 1.59 C) 2.00 D) 2.83 E) 3.22