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Geography & Environment · Oceanography: Relief, Currents, Tides & Salinity · NDA 2025

Consider the following statements with reference to sea waves: 1. The height of waves is determined by wind speed, wind duration, and fetch 2. The energy of a wave is proportional to the square of its height 3. Waves retain most of their energy as they travel across the deep ocean Which of the statements given above is/are correct?

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Answer D (official UPSC key)Wave height depends on wind speed, wind duration and fetch, wave energy is proportional to the square of its height, and waves retain most of their energy across the deep ocean

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