Question

Distinguish between stationary waves and beats.

Answer 1

Hi, consider the answer below.

Stationary waves often characterized with equal amplitude and equal wavelengths as well and normally travel in the same medium.

Beat often have varying wavelengths  and amplitude as well and may often involve different medium.

I hope that this information is very helpful to you.

Answer 2

Stationary waves have constant amplitude and constant frequency. They looks like stationary means no movement in the waves

Whether, Beats have different amplitude at with respect to the time. It looks like the changes of amplitude of waves at different time.

I attached a image that will help you understanding the concept of both waves.