Name the color hues found in the spectrum of white light
Red, orange, yellow, green, blue, and violet
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If x-rays excite a 2s electron from an atom, this corresponds to which of the following excited atomic states?
(a) K (b) L (c) M (d) N
Four 12
resistors are connected together. What is the least resistance that can be attained with these resistors?
A. 12 
B. 6.0
C. 3.0
D. 2.0
E. 1.0
We find from Gauss's law that the flux through a closed surface
A. is proportional to the net charge enclosed. B. is inversely proportional to the net charge enclosed. C. is proportional to the square root of the charge enclosed. D. is zero. E. is less the larger the closed surface.
A board that is 20.0 cm wide, 5.00 cm thick, and 3.00 m long has a density 350 kg/m3. The board is floating partially submerged in water of density 1000 kg/m3. What fraction of the volume of the board is above the surface of the water?
A) 0.350 B) 0.650 C) zero D) 0.200 E) The answer depends on which edge of the board is vertical.