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The following physics responses are provided by a student and, as such, should be considered in that context. While every effort is made for accuracy, absolute correctness cannot be fully guaranteed.
| Question | |
C | 13 |
I | |
Question If a wave pulse is reflected from a free boundary, which of the following choices best describes what happens to the reflected pulse?
1) becomes inverted
2) remains upright
3) halved in amplitude
4) doubled in amplitude
5) both choices B and C are valid. | |
Answer remains upright | |
Notes
| User | Added | Note | e | d |
|---|---|---|---|---|
| KillGorack | 2023-07-16 11:51:23 | When a wave pulse is reflected from a free boundary, such as an open end or a free end of a string, the reflected pulse undergoes a change in phase but does not become inverted. This means that the shape of the pulse is maintained, but its direction is reversed. Therefore, the best choice that describes what happens to the reflected pulse is: remains upright The amplitude of the reflected pulse can be affected by the specific conditions and properties of the medium, but it is not inherently halved or doubled in amplitude. So choice 3) and 4) are not always valid. Hence, the correct answer is: remains upright. |
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