The equation of a sinusoidal wave of amplitude travelling along the positive -axis is

PHYSICS · Subjective · A Level · Physics · Waves · Waves

Problem

The equation of a sinusoidal wave of amplitude

4\,\text{cm}

travelling along the positive

x

-axis is

y = 0.04\sin\left(\dfrac{4\pi x}{0.5} - 4\pi t\right)

. Write the equation for a wave with the same amplitude, wavelength, and frequency that travels along the negative

x

-axis.