The speed and wavelength of coastal water waves are 4.0 m/s and 6.0 m respectively. When the waves enter a shallower region, the speed decreases to 1.7 m/s. What is the wavelength in the shallower region?

v=4m/s

wavelength=6m

f=v/∧

f=0.67Hz

now, v= 1.7 m/s

f=0.67Hz

∧=v/f

∧=1.7/0.67

∧=2.54m

Explanation:

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waves moving from a fast medium to a slow medium will experience a reflection as light travels more slowly than red light. total internal reflection occurs when the critical angle is.