At what angle above the horizon would the sun appear if its reflected light from a lake, viewed at the same time, were completely polarized? (n water = 1.333)
A. 53.12 
B. 36.88 
C. 48.75
D. 41.25
E. 23.52
B. 36.88
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Which of the following deformation processes is best suited to producing automobile engine piston rods?
(a) Rolling (b) Extrusion (c) Drawing (d) Forging
Which of the following best describes the Tropic of Cancer?
A) It is the circle of latitude on Earth for which the Sun appears directly overhead at noon on the June solstice. B) It is the circle of latitude on Earth for which the Sun appears to remain above the horizon for a full 24 hours on the June solstice. C) It is the circle of latitude on Earth for which the Sun appears directly overhead at noon on the March and September equinoxes. D) It is the line of right ascension passing through the constellation of Cancer.
A string fixed at both ends is vibrating in one of its harmonics. If we now increase only the frequency at which the string is vibrating, which of the following characteristics do we also increase? (There could be more than one correct choice.)
A) the speed of the traveling waves on the string B) the period of the traveling waves on the string C) the wavelength of the traveling waves on the string D) the amplitude of the traveling waves on the string E) none of the above
The quark flavors are
A. up, down. B. red, green. C. muon, pion. D. cyan, magenta. E. lepton, gluon.