Answer :
Frequency of ripples is 2.58Hz if the wavelength of ripples is 3.43cm and speed of ripples is 8,87m/sec.
Ripples are the moment impact of wind on water and they subside as fast as they structure, as the surface strain of the water hoses their endeavors. In the event that a breeze blows consistently across a sufficiently enormous fix of water for a couple of hours then the waves become waves and these won't be hosed with such ease.
We know that there is a co-relation between speed, wavelength and frequency of ripple, which is given by
Speed=frequency × wavelength or
=> c =v×λ
Now,we have λ=3.43cm =0.0343m,c=8.87m/sec,v=?
So,on putting the values, we get
=>8.87 = v × 3.43
=>v=8.87/3.43
=>v=2.58Hz.
Hence,frequency is 2.58Hz.
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