A steel wire fixed at both ends has a fundamental frequency of 200 Hz. A person can hear sound of maximum frequency 14 kHz. What is the highest harmonic that can be played on this string which is audible to the person?
Hrishant Goswami , 11 Years ago
Grade 10
1 Answers
Kevin Nash
Last Activity: 11 Years ago
Sol. Fundamental frequency f base 1 = 200 Hz
Let l base 4 Hz be nth harmonic
⇒ F base2/F base 1 = 14000/200
⇒ NF base1/F base1 = 70 ⇒ N = 70
∴ The highest harmonic audible is 70^th harmonic.
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