Question

Small amplitude progressive waves in a stretched string have a speed of 100cm/sec and frequency 100Hz. Find the
phase difference between two points 2.75cm apart on the string.​

Answer 1

Answer:

k=2π/d=2πf/v

=2π×100/100

∆d=kx

=2π×2.75

=5.5π

=11/2π