A string is fixed at both ends

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

Problem

A string is fixed at both ends. In its fourth harmonic, the distance of the first antinode from the left end is (a)

\dfrac{L}{4}

(b)

\dfrac{L}{8}

(c)

\dfrac{L}{6}

(d)

\dfrac{L}{2}