A String 2 $\times$ 10^-2 Kg

question 1

Multiple Choice

A string 2.0 m long has a mass of 2.4 $\times$ 10^-2 kg.When fixed at both ends,it vibrates with a fundamental frequency of 150 Hz.The frequency of the third harmonic of this fundamental is

• A)50 Hz
• B)75 Hz
• C)0.15 kHz
• D)0.45 kHz
• E)1.1 kHz

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