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PHYSICS - Trial Paper Collection

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papercollection33 Diagram 23 shows the superposition of two water waves.25Rajah 23 menunjukkan superposisi dua gelombang air.Crest / PuncakTrough / PalungRPSQDiagram 23 / Rajah 23At which points do constructive interference occur?Di titik manakah interferens membina berlaku?ABCDP and Q / P dan QQ and R / Q dan RR and S / R dan SP and S / P dan S34 Someone can be heard coming round a corner of a building before he can be seen.Which statement best explains the above situation?Seseorang yang datang dari sebalik penjuru bangunan boleh didengar sebelum diaboleh dilihat.Pernyataan manakah paling sesuai untuk menerangkan situasi di atas?ABCDLight travels faster than soundCahaya bergerak lebih laju dari bunyiSound travels faster than lightBunyi bergerak lebih laju dari cahayaLight is refracted less by air compared to soundCahaya kurang dibiaskan oleh udara berbanding bunyiSound has a longer wavelength than lightBunyi mempunyai panjang gelombang yang lebih besar dari cahaya

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