The diagram above represents part of a wave motion in air. If the wave travels with a speed of 300ms-1calculate the frequency of the wave.
Attached Figure / Diagram
A
360Hz
B
300Hz
C
250Hz
D
150Hz
E
100Hz
Verified Correct Answer: C.
Physical Principles & Numerical Solution
21/2λ = 3m; λ = 1.2m v= 300
f = v/x = 300/1.2 = 250Hz
Source: Myschool Past Questions Archive (Record #24105)