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25 Oct 2019, 09:52
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
76% (01:57) correct
24%
(02:04)
wrong
based on 317
sessions
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The detection of infrared signals is crucial for most remote controlled consumer electronic devices, such as televisions or dvd players. Solar radiation can create alterations across the low end of the radiation spectrum, where infrared signals reside. Therefore solar radiation can interfere with the operation of television remotes.
Which of the following, if true, most strengthens the argument above?
(A) After years of experimentation, engineers can measure variances in infrared radiation to a tolerance 100 times greater than that previously mentioned.
(B) More recent generations of remote control devices use radio waves to compensate for any infrared variance.
(C) Remote control devices are not sensitive enough to detect every variance in low-end radiation.
(D) There are times when the alteration of low-end radiation caused by solar flares creates variances in infrared signals that are greater than the tolerances engineered into consumer electronics.
(E) The types of infrared detectors in consumer electronics are sensitive to distortions in the high end of the radiation spectrum.
Which of the following, if true, most strengthens the argument above?
(A) After years of experimentation, engineers can measure variances in infrared radiation to a tolerance 100 times greater than that previously mentioned.
(B) More recent generations of remote control devices use radio waves to compensate for any infrared variance.
(C) Remote control devices are not sensitive enough to detect every variance in low-end radiation.
(D) There are times when the alteration of low-end radiation caused by solar flares creates variances in infrared signals that are greater than the tolerances engineered into consumer electronics.
(E) The types of infrared detectors in consumer electronics are sensitive to distortions in the high end of the radiation spectrum.
25 Oct 2019, 11:45
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The argument concludes by saying solar radiation can interfere with the infrared signals from tv remotes. Answer D says that solar radiation sometimes interferes with infrared signals from tv remotes, so if that's true, that not only strengthens the argument, it proves it, so D is correct.
10 Jan 2026, 01:25
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