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ICSE - X - Physics

The wavelength of waves produced on the surface of water is 20cm. If the wave velocity is 24m/s 
Then calculate :
No. of waves produced in 1 second 
time in which 1 wave is produced

Asked by Pushpanjali 21st March 2017, 5:52 PM
Answered by Expert


Hi Abhishek,

begin mathsize 12px style Wavelength comma space frequency space and space velocity space are space related space as
straight v equals nλ
1 right parenthesis space No. of space waves space in space 1 space second space is space the space frequency
therefore straight n equals straight v over straight lambda equals fraction numerator 24 over denominator 20 cross times 10 to the power of negative 2 end exponent end fraction equals 120 space waves space in space straight a space second
2 right parenthesis space Time space for space 1 space wave space is space time space period
straight T equals 1 over straight n equals 1 over 120 equals 8.3 space ms end style

Answered by Expert 21st March 2017, 6:00 PM

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