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detail explanation 4531/1 Aerial Model SPM 20 Rajah 15 menunjukkan 3.0 kg silinder locum 22 Rajah 17 menunjukkan satu dinar caltaya dengan mustan haba tentu

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4531/1 Aerial Model SPM 20 Rajah 15 menunjukkan 3.0 kg silinder locum 22 Rajah 17 menunjukkan satu dinar caltaya dengan mustan haba tentu 450 J kg lec ditujukan kepada pusat, O satu bongkesh kaca dipanaskan menggunakun pemanas berkuasa semibulatan. [Indeks biason kaca itu adalah 1 50] 1 LW Pemanas dihidupkan selama 10 s. Diagram 17 shows a light ray is directed to Diagram 15 shows a 5.0 kg metal cylinder with the centre, O of a semicircular glass block specific heat capacity of 450 J kg C is heated [Refractive index of the glass is 1 50] using a heater of power I KW. The heater is switched on for 10 s Feminas, Thermometer Hrain Thermometer MAD Silinder logam Metal cylinder Rajah 17/Diagram 17 Antara A, B, C atau D, ke arah yang manakah Rajah 15/Diagram 15 sinar itu merambat selepas titik O? Berapakah kenaikan suhu silinder itu? At which direction A. B. C or D does the light What is the rise in temperature of the cylinder? propagate after point OF * A 023 C $175 B O41C C 4.4'C 190 D 500 C 23 Rajah 18 menunjukkan seckor ikan lumba lumba menghasilkan bunyi 'klik' untuk mengesan kumpulan ikan dengan fenomena pantulan bunyi Diagram 18 shows a dolphin creates a "click" 21 Rajah 16 menunjukkan tekanan pada tayar kereta sound to detect a school of fish by the reflection adalah 200 kPa pada subu 27 C. of sound phenomenon. Diagram 16 shows the pressure of a car tyre which is 200 kPa at a temperature of 27"C 200 Rajah 18/Diagram 18 Pernyataan yang manakah mengenai bunyi yang dipantulkan adalah betul? Which statement about the reflected sound is correct? Rajah 16/Diagram 16 1 Laju gelombang bunyi tersebut tidak berobah. The speed of the sound waves is unchanged. Selepas perjalonon yang jouh dari Kuala Lumpur Il Amplitudelombang bunyi tersebut berkurang ke Kola Bahru, suhu tayar itu meningkat The amplitude of the sound waves decreases kepada 37"C. Berapakah tekanan layar yang baharu? |Anggap isi padu udara di dalam layar III Frekuensi gelombang bunyi tersebut berkurang tetap. ] The frequency of the sound wave decreases. After a long journey from Kuala Lumpur to Kota A I dan II sahaja Bahru, the temperature of the tyre increaseds to I and II only 37'C. What is the new tyre pressure? |Assume B I dan III sahaja that volume of the air in the tyre remains constant] I and Ill only A 146 kPa B 194 kPa C II dan III sahaja C 207 kPa D 274 kPa II and III only a Sasbadi Sin. Bhd. 195301096847 3 K1 -7 KERTAS MODEL SPM Fizik

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