Question

A wave pulse on a string moves a distance of 8 m in 0.04 s. What would be the wavelength of the wave on the same string if its frequency is 200 Hz?
(A) 0.4 m (B) 0.5 m
(C) 0.8 m (D) 0.10 m.

Answer 1

f*wavelength=speed
200 L=8/.04

solve for L