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Physics Review Question Unit: Waves Year: 1994 Question#: 47 Question: Which phenomenon can not be exhibited by longitudinal waves? (1 ) reflection (2 ) refraction (3 ) diffraction (4 ) polarization What is this question really asking? Explanation by: Liz M. [ Return to question menu ] Answer 1 reflection INCORRECT This answer is incorrect because reflection exhibits both longitudinal and transverse waves. So it can be exhibited by longitudinal waves. return to top Answer 2 refraction INCORRECT This answer is incorrect because refraction exhibits both longitudinal and transverse waves. Therefore it CAN be exhibited by longitutinal waves. return to top Answer 3 diffraction INCORRECT This answer is incorrect because when diffraction occurs, both longitudinal and transverse waves are exhibted. Therefore diffraction CAN be exhibited by longitudinal waves. return to top Answer 4 polarization CORRECT Longitudinal waves vibrate in a plane parallel to their motion so the polarizer is unable to remove them based on their orientation because they have no orientation. return to top What's this question really asking? This question is asking if the student understand the difference of transverse and longitudinal waves and the concept of polarization. It is mostly a game of which answer is not like the others. return to top |
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