
FZ T4 Bab 4 Haba Pendam Tentu / Specific Latent Heat

Quiz
•
Physics
•
9th - 12th Grade
•
Easy
Sains1 Fta
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 6 menunjukkan lengkung penyejukan suatu bahan daripada eksperimen yang dijalankan oleh Shafiq. Titik yang manakah menunjukkan fasa campuran cecair dan gas?
Diagram 6 shows the cooling curve of a substance obtained from an experiment done by Shafiq. At which point shows the phase of mixture liquid and gaseous?
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 7 menunjukkan susunan radas untuk menentukan haba pendam tentu pengewapan air. Rajah 7 (a) menunjukkan jisim air sebelum dipanaskan. Air dipanaskan dengan pemanas rendam 1 kW sehingga takat didihnya. Rajah 7 (b) menunjukkan jisim air selepas dididihkan selama 3 minit. Kira haba pendam tentu pengewapan air.
Diagram 7 shows the arrangement of apparatus to determine the specific latent heat of vaporisation of water. Diagram 7 (a) shows the mass of the water before heating. The water is heated with 1 kW immersion heater until its boiling point. Diagram 7 (b) shows the mass of the water after being boiled for 3 minutes. Calculate the specific latent heat of vaporisation of the water.
3.77 × 10 J kg–1
3.77 × 104 J kg–1
2.26 × 103 J kg–1
2.26 × 106 J kg–1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 8 (b) menunjukkan susunan radas untuk menentukan haba pendam tentu pelakuran ais. Fatimah mendapati nilai haba pendam tentu pelakuran ais lebih besar daripada nilai sebenar. Untuk menambah baik keputusannya, Fatimah mengulangi eksperimen dengan menyediakan eksperimen kawalan seperti yang ditunjukkan dalam Rajah 8(a). Apakah fungsi set dalam Rajah 8(a)?
Diagram 8 (b) shows the arrangement of apparatus to determine the specific latent heat of fusion of ice. Fatimah found that the value of specific latent heat of fusion of ice is greater than the actual value. To improve her result, Fatimah repeats her experiment by setting a control experiment as shown in Diagram 8(a). What is the purpose of the set in Diagram 8(a)?
Mengawal kadar peleburan ais
Control the melting rate of the ice.
Menentukan jisim ais yang lebur disebabkan haba persekitaran.
Determine the mass of ice being melted by the surrounding heat.
Memastikan ais yang digunakan dalam eksperimen adalah tulen.
Make sure the ice used in the experiment is pure.
Mengira nilai purata haba pendam tentu pelakuran ais.
Calculate the average value of specific latent heat of ice.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 8 menunjukkan perubahan keadaan jirim daripada 1 kg ais kepada stim. Perubahan keadaan jirim manakah yang melibatkan haba pendam tentu pengewapan?
Diagram 8 shows the change of state of matter for 1 kg ice into steam. Which change of state of matter involves the specific latent heat of vaporisation?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah haba yang diperlukan untuk menukarkan 0.2 kg air mendidih kepada wap?
How much heat is needed to change 0.2 kg of boiling water to vapour?
(Haba pendam tentu pengewapan air ialah 2.26 × 106 J kg–1)
(Specific latent heat of vaporisation of steam is 2.26 × 106 J kg–1)
452 kJ
500 kJ
113 kJ
1.33 kJ
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