The wavelength of a wave traveling with a velocity of 420 ms\(^{-1}\) is 42 m. What is its period?
A
1.2 s
B
1.0 s
C
0.5 s
D
0.1 s
Verified Correct Answer: D.
Physical Principles & Numerical Solution
V = f\lambda
f = (v)/\lambda = (420)/42 = 10 HZ
Period, T = (1)/F = (1)/10 = 0.1 secs
Source: WAEC / JAMB / NECO Classroom Archive (Record #14316)