Which expression gives the wavelength of the fourth harmonic produced on a string of…

PHYSICS · Single correct · CBSE · Physics · Waves · Waves

Problem

Which expression gives the wavelength

\lambda_4

of the fourth harmonic produced on a string of length

L

that is fixed at both ends? (a)

\lambda_4 = \dfrac{2L}{3}

(b)

\lambda_4 = \dfrac{L}{2}

(c)

\lambda_4 = \dfrac{L}{4}

(d)

\lambda_4 = L