A steel wire fixed at both ends has a fundamental frequency of 200 Hz. A person can hear sound of maximum frequency 15k Hz. What is the highest harmonic that can be played on this string which is audible to the person?
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Solution
We know,
In case of,
Wave in string clamped at both ends,
Frequency of nth harmonic=nf0
Here,
nf0≤15000
n≤15000200=75
Highest 75th harmonic can be played and is audible.