Page 60 - MODUL SPEKTRUM FIZIK SPM

3. Diagram 3 shows two test tubes filled with aluminium dust and copper dust of the same mass.
Both test tube are heated with the same rate of heat energy.
Rajah 3 menunjukkan dua tabung uji berisi serbuk aluminium dan serbuk kuprum yang sama jisim.
Kedua-dua tabung uji dipanaskan dengan kadar tenaga haba yang sama.

Diagram 3 / Rajah 3

Table 3 shows the temperature before and after heating, and the specific heat capacity of aluminium
dust and copper dust.
Jadual 3 menunjukkan suhu sebelum dan selepas pemanasan, dan muatan haba tentu bagi serbuk
aluminium dan kuprum.

Temperature Temperature Specific heat capacity
o
-1
o
Material before heating / C after heating / C / Jkg -1 o C
Bahan Suhu sebelum Suhu selepas Muatan Haba Tentu
o
o
C
dipanaskan / C dipanaskan / C Jkg -1 o -1
Aluminium dust
Serbuk Aluminium 27 53 900
Copper dust 27 77 380
Serbuk Kuprum
Table 3 / Jadual 3

(a) What is the meaning of specific heat capacity?
Apakah yang dimaksudkan dengan muatan haba tentu?
[1 mark / 1 markah]

Sektor Pembelajaran, Jabatan Pendidikan Negeri Sabah | 2020 59