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PHYSICS - Trial Paper Collection

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papercollection23(c)Diagram 10.3 shows a boat using sound waves to measure the depth of the sea.Rajah 10.3 menunjukkan sebuah bot menggunakan gelombang bunyi untukmengukur kedalaman laut.Reflected soundBunyi terpantulTransmitted soundBunyi terpancarDiagram 10.3 / Rajah 10.3(i)Using your knowledge of the nature and phenomena of waves, explain howthe following aspects of the wave affects the results obtained.Menggunakan pengetahuan anda tentang sifat dan fenomena gelombang,terangkan bagaimana aspek gelombang yang berikut mempengaruhikeputusan yang diperoleh.· Frequency of the wavesFrekuensi gelombang· Energy of the wavesTenaga gelombang(ii) List the equipment needed for the measurement.Senaraikan peralatan yang diperlukan untuk pengukuran itu.(iii) Explain how the depth of the sea is determined.Terangkan bagaimana kedalaman laut ditentukan.[4 marks][4 marks][2 marks]

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