For a progressive wave described by

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

Problem

y = A\sin(kx - \omega t + \phi)

, what is the phase difference between two points that are

\Delta x

apart at the same instant? (a)

2k\,\Delta x

(b)

\dfrac{\Delta x}{\lambda}

(c)

k\,\Delta x

(d)

\dfrac{k\,\Delta x}{2\pi}