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A cord 1.8 m long, fixed at both ends, is driven at 125… | StemPy Lab
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A cord 1.8 m long, fixed at both ends, is driven at 125 Hz. Waves travel on it at 90 m/s, and it forms a steady pattern. How many loops does it show?
Physics
Medium
High School (11–12)
Waves & Sound › Superposition and Standing Waves
JEE Main
Created by
StemPy Lab
A cord
1.8
m
1.8\ \text{m}
1.8
m
long, fixed at both ends, is driven at
125
Hz
125\ \text{Hz}
125
Hz
. Waves travel on it at
90
m/s
90\ \text{m/s}
90
m/s
, and it forms a steady pattern. How many loops does it show?
10
10
10
6
6
6
5
5
5
4
4
4
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← A rope 1.5 m long is tied to a post at one end. Its other end is a ring that slides freely on a smooth pole. Waves travel on it at 48 m/s. What is its second lowest natural frequency?
A string tied at both ends vibrates in its third harmonic. How many points between the ends stay at rest all the time? →
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