On a displacement–distance graph of a transverse wave

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

Problem

On a displacement–distance graph of a transverse wave, the measured distance between a crest and the next trough is

2.5\,\text{cm}

. What is the wavelength of the wave? (a)

2.5\,\text{cm}

(b)

10.0\,\text{cm}

(c)

5.0\,\text{cm}

(d)

1.25\,\text{cm}