On a stretched string at the distance between two successive troughs is measured to be

PHYSICS · Subjective · CBSE · Physics · Waves · Waves

Problem

On a stretched string at

t = 0\,\text{s}

the distance between two successive troughs is measured to be

30\,\text{cm}

. The wave travels along the

+x

–direction with a speed of

15\,\text{m\,s}^{-1}

. (i) Write the wavelength of the wave. (ii) Calculate its frequency.