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PHYSICS - Trial Paper Collection

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papercollection24Section CBahagian C[20 marks]Answer any one question from this section.Jawab mana-mana satu soalan daripada bahagian ini.11 Diagram 11.1 shows the basic components and four processes in a refrigerator.Rajah 11.1 menunjukkan komponen asas dan empat proses dalam sebuah peti sejuk.Process 1 / Proses 1The compressor compressesthe coolant gasPemampat memampat gasbahan penyejukProcess 2 / Proses 2Heat is removed and the gaschanges into a liquidHaba dikeluarkan dan gasbertukar menjadi cecairProcess 4 / Proses 4The coolant absorbs heat fromthe interior of the refrigeratorBahan penyejuk menyerap habadari bahagian dalam peti sejukProcess 3 / Proses 3The coolant expands andchanges from a liquid to a gasBahan penyejuk mengembangdan bertukar dari cecair ke gasDiagram 11 / Rajah 11(a) (i) Explain, using the kinetic theory, how the coolant changes from a gas to aliquid in Process 2.Jelaskan, dengan menggunakan teori kinetik, bagaimana bahan penyejuk itubertukar menjadi cecair dalam Proses 2.[3 marks](ii) Explain, in terms of latent heat, how the coolant removes heat in Process 3and Process 4.Jelaskan, dalam sebutan haba pendam, bagaimana bahan penyejuk itumengeluarkan haba dalam Proses 3 dan Proses 4.[2 marks]

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