The wavelength of a wave traveling with a velocity of 420 ms-1 is 42 m. what is its period?
- 1.2 s
- 1.0 s
- 0.5 s
-
0.1 s
The correct answer is: D
Explanation
V = fλ
f = (v)/λ = (420)/42 = 10 HZ
Period, T = (1)/F = (1)/10 = 0.1 secs
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