A wave of wavelength 0.30m travels 900m in 3.0s. Calculate its frequency
A
68.0Hz
B
225.0Hz
C
1000Hz
D
750.0Hz
Verified Correct Answer: C.
Physical Principles & Numerical Solution
V = \(\frac{s}{t} = \frac{900}{3} = 300\)m\s
f = \(\frac{v}{\pi} = \frac{300}{0.30}\)
= 1000Hz
Source: WAEC / JAMB / NECO Classroom Archive (Record #34215)