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23 November, 15:34

Wave 1 carries more energy than Wave 2. Wave 3 carries more energy than Wave 2. Keeping speed constant, the greatest amount of energy is carried by a wave with-A a low amplitude and a high frequency. B a low amplitude and a low frequency. C a high amplitude and a high frequency. D a high amplitude and a low frequency.

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  1. 23 November, 15:43
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    Energy of a wave is proportional to (amplitude) ²

    it is also proportional to (frequency) ²

    It is proportional to velocity

    Here velocity is constant

    energy of wave ∝ (amplitude) ² x (frequency) ²

    So, option C a high amplitude and a high frequency is correct.
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