TEST BANK FOR_SERWAY AND VUILLE’S_COLLEGE PHYSICS NINTH EDITION, VOLUMES 1 & 2
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Exam (elaborations) TEST BANK FOR_SERWAY AND VUILLE’S_COLLEGE PHYSICS NINTH EDITION, VOLUMES 1 & 2
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1. Since 1983 the standard meter has been defined in terms of which of the following? 
a. 
specific alloy bar housed at Sevres, France 
b. 
wavelength of light emitted by krypton-86 
c. 
distance from the Earth's equator to the 
North Pole 
d. 
the distance light travels in a certain fraction 
of a second 
ANS: D PTS: 1 DIF: 1 
TOP: 1.1 Standards of Length, Mass, and Time 
2. Since 1967 the standard definition for the second has been based on which of the following? 
a. 
characteristic frequenc...
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