The wavelength of a wave traveling with a veloc... - JAMB Physics 2010 Question
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
correct option: d
V = fλ
f = (v)/λ = (420)/42 = 10 HZ
Period, T = (1)/F = (1)/10 = 0.1 secs
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