A photograph of a stretched string shows that the distance between the first and the…

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

Problem

A photograph of a stretched string shows that the distance between the first and the seventh crest is

1.2\,\text{m}

. If the wave on the string moves with a speed of

16\,\text{m/s}

, calculate its frequency. (a)

160\,\text{Hz}

(b)

80\,\text{Hz}

(c)

40\,\text{Hz}

(d)

67\,\text{Hz}