At , a displacement–position graph of a sound wave in air shows successive…

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

Problem

t = 0

, a displacement–position graph of a sound wave in air shows successive compressions at

x = 5.0\,\text{cm}

and

x = 25.0\,\text{cm}

. What is the wavelength

\lambda

of the wave? (a)

0.10\,\text{m}

(b)

0.15\,\text{m}

(c)

0.20\,\text{m}

(d)

0.25\,\text{m}