if 20 waves pass through a medium in 1 second with a speed of 20m/s then its wavelenght will be?
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ans = 4m.
f=5 hz
v= 20m/s
λ= v/f = 20/ 5 = 4m
i may have answered a different question similar to this
shanza2119:
no answer is 1m
i have solved
frequency is 20 hzs
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