A string of length has a mass per unit length of and is kept under a tension of

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

A string of length

0.50\,\text{m}

has a mass per unit length of

0.010\,\text{kg\,m}^{-1}

and is kept under a tension of

20\,\text{N}

. Find its fundamental frequency. (a)

22\,\text{Hz}

(b)

180\,\text{Hz}

(c)

45\,\text{Hz}

(d)

90\,\text{Hz}

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