Wave Exercise-7: Solution

A wave on a rope is shown below.


Question 1:

What is the wavelength of this wave?

Solution:

In 6 m, the wave goes through 2 complete cycles.
The wavelength of one complete cycle) is (6 m)/ 2 = 3 m

Question 2:

If the frequency of the wave is 4 Hz, what is the wave speed?

Solution:

v = f × λ = (4 s− 1 × 3 m) = 12 m/s





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