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A wave breaks when the water depth becomes less than:
AThe wave height
BThe wave period
CHalf the wavelength
DTwice the wavelength
Answer & Solution
Correct answer: C. Half the wavelength
1. Friction with the sea floor slows the wave.
2. It breaks at depth under half the wavelength.
3. Energy is released on the shoreline.
_Source: NCERT Class 11 Fundamentals of Physical Geography, Chapter 14, Movements of Ocean Water._
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