illustrate the ultimate limitation in the precision of sense-data conveyed by quanta
show the sense of helplessness scientists feel in the face of significant observational problems
anticipate the objections of the those scientists who believe that no instrumental aid to observation is entirely reliable
exemplify the similarities between packages of energy and varieties of color
disparage those scientists who believe that measurement by means of quanta offers an accurate picture of the world
21. The author implies that making a sharp division between subject and object in physics is
possible in a measurement o objects length and position, but not in a measurement of its energy
still theoretically possible in the small-scale world of atoms and electrons
possible in the case of observations involving the passage of a complete quantum
no longer an entirely accurate way to describe observation of the universe
a goal at which scientists still aim
22. The authors use of the phrase in a sense implies which of the following?
Quanta of extremely long wavelength are essentially graduated in inches.
quanta of one-inch wavelength are not precisely analogous to yardsticks graduated in inches.
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