GRE Reading Comprehension

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Source: XDF

Our visual perception depends on the reception of energy reflecting or radiating from that which we wish to perceive. If our eyes could receive and measure infinitely delicate sense-data, we could perceive the world with infinite precision. The natural limits of our eyes have, of course, been extended by mechanical instruments; telescopes and microscopes, for example, expand our capabilities greatly. There is, however, an ultimate limit beyond which no instrument can take us; this limit is imposed by our inability to receive sense-data smaller than those conveyed by an individual quantum of energy.

Question List: 1

Which of the following describes a situation most analogous to the situation discussed in the last sentence?

  • A A mathematician can only solve problems the solution of which can be deduced from known axioms.
  • B An animal can respond to no command that is more complicated syntactically than any it has previously received.
  • C A viewer who has not learned, at least intuitively, the conventions of painting, cannot understand perspective in a drawing.
  • D A sensitized film will record no detail on a scale that is smaller than the grain of the film.
  • E A shadow cast on a screen by an opaque object will have a sharp edge only if the light source is small or very distant.

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