Questions
An observer standing near the sea shore observes 54 waves per minute. If the wavelength of the water wave is 10m then the velocity of water wave is
a
540 ms-1
b
5.4 ms-1
c
0.184 ms-1
d
9 ms-1
detailed solution
Correct option is D
Number of waves per minute = 54 ∴ Number of waves per second = 54/60Now v=nλ⇒n=5460×10=9 m/s.Talk to our academic expert!
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