For a stretched string of length fixed at both ends

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

Problem

For a stretched string of length

L

fixed at both ends, which one of the following gives the wavelength

\lambda_n

of the

n^{\text{th}}

harmonic? (a)

\lambda_n=\dfrac{L}{n}

(b)

\lambda_n=\dfrac{4L}{n}

(c)

\lambda_n=\dfrac{2L}{n}

(d)

\lambda_n=2Ln