A wave travels along a stretched string at a speed of with a frequency of

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

Problem

A wave travels along a stretched string at a speed of

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

with a frequency of

20\,\text{Hz}

. What is its wavelength? (a)

0.50\,\text{m}

(b)

1.0\,\text{m}

(c)

2.0\,\text{m}

(d)

0.32\,\text{m}