A wave pulse travelling to the right along a thin cord reaches a discontinuity where the rope becomes thicker and denser. What is the orientation of the reflected and transmitted pulses? The reflected pulse returns inverted while the transmitted pulse is upright. O The reflected pulse returns upright while the transmitted pulse is inverted. The reflected pulse and the transmitted pulse are both upright. The reflected pulse and the transmitted pulse are both inverted.

A wave pulse travelling to the right along a thin cord reaches a discontinuity where the rope becomes thicker and denser. What is the orientation of the reflected and transmitted pulses? The reflected pulse returns inverted while the transmitted pulse is upright. O The reflected pulse returns upright while the transmitted pulse is inverted. The reflected pulse and the transmitted pulse are both upright. The reflected pulse and the transmitted pulse are both inverted.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Figure 4 shows a simple apparatus for demonstrating resonance in a tube. A tube which is open at the top is filled with water and a vibrating tuning fork of unknown frequency is placed near the top of the tube. The water is allowed to flow through a valve, at the bottom of the tube. Tuning fork p water valve Figure 4 If, the first intensity in the sound is heard when the air column length is p. The next increase is heard when the air column length is y, and the last one is when the air column length is r. Draw the wave pattern happened at p, q and r. Label node and antinode. Calculate the respective frequencies.
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1. A group of curious 9B students are listening to sound generated by standing waves in a tube of air. However, they cannot see the tube itself, so they don't know if both ends of the tube are open or if only one end of the tube is open (and the other closed). They observe a standing wave in which the distance from node to adjacent anti-node is 0.6 m. The frequency is increased until the next harmonic is reached. The new distance from node to adjacent anti-node is 0.4 m, and the frequency increased by 1000 Hz. a) Are both ends of the tube open or only one end? b) Determine which harmonics are being played and determine the length of the tube. c) Now consider a different tube with end conditions different than what you determined in part a. (For example, if you determined both ends were open in part a, then this new tube has one open end and one closed end). What should the length of this tube be such that its fundamental frequency is the same as the tube you considered in parts a and…
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