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Author Question: A string with a fixed frequency vibrator at one end is undergoing resonance with 4 antinodes when ... (Read 286 times)

sarasara

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on: Aug 6, 2020

Question 1

A string with a fixed frequency vibrator at one end is subjected to varying tensions. When the tension is 20 N, a resonance with 3 antinodes results. What tension would cause a resonance with 2 antinodes in this string?

◦
30 N

◦
45 N

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80 N

◦
8.9 N

◦
13 N


Question 2

A string with a fixed frequency vibrator at one end is undergoing resonance with 4 antinodes when under tension T1. When the tension is slowly increased the resonance condition disappears until tension T2 is reached, there being no resonances occurring between these two tensions. How many antinodes are there in this new resonance?

◦
3

◦
4, since all resonances in this situation have the same number of nodes

◦
5

◦
2, since resonances only involve whole wavelengths

◦
6, since resonances only involve whole wavelength
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Marked as best answer by sarasara on Aug 6, 2020

strudel15

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Reply #1 on: Aug 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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sarasara

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Reply 2 on: Aug 6, 2020
Thanks for the timely response, appreciate it

carlsona147

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Reply 3 on: Yesterday
Wow, this really help

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