finalg - Exam Name MULTIPLE CHOICE Choose the one...

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Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) How much do you need to move one of the two mirrors of a Michelson interferometer in order to switch maximas into minimas and back into maximas in the interference pattern the observer sees? A) half a wave length B) one eighth of a wave length C) 3/4 of a wave length D) quarter of a wave length E) one wave length 1) 2) The entropy of a system increases via a fixed size heat transfer in an irreversible process. Does entropy increase more or less for a higher temperature system than a lower temperature system? And does the increase in entropy increase or decrease the ability of the system to do work? A) less; increase B) more; increase C) more; decrease D) less; decrease E) same; decrease 2) 3) The interior of a sauna is maintained at 80 degree Celsius while the outdoor temperature is -10 degree Celsius. The sauna looses heat at a rate of 80kW. At what rate does the entropy of the universe increase because of the irreversible heat flow? A) not at all. B) 10 J/K*s C) 75 J/K*s D) 150 J/K*s E) 1.5 kJ/K*s 3) 4) What limits the angular resolution of earth based radio astronomy? A) The maximum size radio telescope that can technically be built. B) The radius of the earth. C) The manufacturing precision of lenses in the radio frequency range, i.e. spherical aberation. D) Dispersion, i.e. chromatic aberation.
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This note was uploaded on 09/23/2009 for the course PHYS 2c taught by Professor Wurthmeir during the Spring '05 term at UCSD.

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finalg - Exam Name MULTIPLE CHOICE Choose the one...

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