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Physics Review Question Unit: waves Year: 1988 Question#: 42 Question: A single pulse in a uniform medium transfers (1 ) standing waves (2 ) energy (3 ) mass (4 ) wavelength What is this question really asking? Explanation by: Allison B. [ Return to question menu ] Answer 1 standing waves INCORRECT A standing wave occurs when two waves are travelling in opposite directions. A single pulse can only travel in one direction at a time. return to top Answer 2 energy CORRECT by definition, a pulse transfers energy (but not mass). return to top Answer 3 mass INCORRECT by definition, a pulse transfers energy, but not mass. return to top Answer 4 wavelength INCORRECT A pulse does not have a wavelength because it is not a complete wave. return to top What's this question really asking? This question is asking if you understand the properties of a pulse in contrast to the properties of a wave. return to top |
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