Question on: JAMB Physics - 2018
A man hears his echo from a nearby hill 2s after he shouted. If the frequency of his voice is 260Hz and the wavelength is 1.29m, how far away is the hill
A
330.0m
B
335.4m
C
660.0m
D
670.8m
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Correct Option: B
V = F × lambda
= 260 × 1.29
= 335.4ms(^{-1})
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