Refraction of water waves
When water waves move from water of different depth, the speed
of the water waves change. This cause the direction of the water wave to change.
Water wave travel faster in deep water than in shallow water. Hence refraction
(bending) of water wave occurs. The decrease in speed will also be accompanied by a
decrease in wavelength.
Characteristics of
Refraction of waves:
- The frequency remains the same after refraction.
- The wavelength, speed and direction of the propagation of the wave change after refraction.
- λdeep > λshallow
- vdeep > vshallow
How do tsunamis can related with refraction of waves characteristics:-
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