Download - TRIAL SPM Paper 2
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4531/1
4531/2
Fizik
Kertas 2
OGOS
2013
2
jam
NAMA: . KELAS:
SEKOLAH MENENGAH
JENIS KEBANGSAANKATHOLIK MELAKA
________________Penyedia soalan
Cik Nurul Aesyah Abd Wahab
________________Ketua Panitia Sains Men. Atas
Pn. Nabillah Ab Rahman
________________GKMP Sains & Matematik
Pn. Lim Lay Kuan
Kertas soalan ini mengandungi 26 halaman bercetak bercetak
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Untuk Kegunaan Pemeriksa
Bahagian Soalan Markah
A
1
23
4
5
6
7
8
B9
10
11
PEPER
IKSAA
N
PERCU
BAAN
SIJIL
PELAJARAN
MALA
YSIA
2013
FIZIK
KERTA
S 2
Dua jam
tiga
puluh
minit
JANGA
N BUKA
KERTA
S
SOALA
N INI
SEHING
GA
DIBERI
TAHU
1. Tulis nama
disediakan.
2. Kertas soala
3. Calon diben
sebahagian
atau bahasa Mel
4. Jawapan ke
ruang yang d
5. Rajah tidak
6. Markah ma
dalam kurungan pada hujung tiap-tiap soalan
7. Penggunaan kalkulator saintifik yangtidakboleh
diprogramkan adalah dibenarkan.
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Section A
[60 marks]
Answer all questions in this section.
Jawab semua soalan dalam bahagian
ini.
1. Diagram 1 shows a voltmeter which has two scales on it.
Rajah 1 menunjukkan sebuah voltmeter yang mempunyai dua skala di
atasnya.
Diagram 1
Rajah
1
(a). State the physical quantity that can be measured by the voltmeter.
Nyatakan kuantiti fizik yang dapat disukat oleh sebuah
voltmeter.
.
[1 mark]
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(b) (i) What is the reading of the voltmeter when the terminal P and R is connected?
Berapakah bacaan voltmeter bila terminal P dan R disambung?
1 markk
(ii) What has to be done to the reading obtained in (b) (i) if the voltmeter
has positive zero error?
Apakah yang perlu dibuat kepada bacaan yang didapati dalam
(b) (i) jika voltmeter mempunyai ralat sifar positif?
1 mark
2. Diagram 2.1 shows the arrangement of Youngs double slit experiment. A white light
source is passed through a blue filter to produce a monochromatic light. Diagram 2.2
shows the pattern of the fringes formed on the screen when a blue filter is used.
Rajah 2.1 menunjukkan susunan bagi eksperimen dwicelah Young. Satu sumber
cahaya putih dilalukan menerusi penapis biru untuk menghasilkan cahaya
monokromatik. Rajah 2.2 menunjukkan corak pinggir-pinggir yang terbentuk pada
skrin apabila penapis biru digunakan.
Diagram 2.1
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Diagram 2.2
(a). What is the meaning of monochromatic light?
Apakah yang dimaksudkan dengan cahaya monokromatik ?
[1 mark]
(b). Why bright fringes and dark fringes are observed on the screen as shown on
Diagram 2.2 ?
Mengapakah pinggir cerah dan pinggir gelap diperhatikan pada skrin putih
seperti yang ditunjukkan dalam Rajah 2.2?
[2 mark]
(c). In the experiment, the screen is placed at the distance of 1.5 m from the
double-slit. The separation distance between the double-slit is 0.5 mm while
the total separation of four successive dark fringes is 4.05 mm.
Calculate the wavelength of the blue light.
Di dalam eksperimen ini, skrin diletakkan pada jarak 1.5 m dari dwicelah.
Jarak pemisahan antara dwicelah ialah 0.5 mm sementara jumlah jarak
pemisahan bagi empat pinggir gelap berturutan ialah 4.05 mm.
Hitungkan panjang gelombang bagi cahaya biru tersebut.
[4 marks]
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3. Diagram 3.1 shows a mirror that is fixed in certain area in a mini market. The purpose
of the mirror is to help the owner of the mini market to monitor their customer.
Rajah 4.1 menunjukkan sebuah cermin yang di pasang pada tempat tertentu di
sebuah pasar mini. Tujuan cermin ini dipasang adalah untuk membantu pemilik
pasar mini mengawasi pengguna.
Diagram 3.1
(a). State the type of mirror used.
Nyatakan jenis cermin yang digunakan.
..............................................................................................................................
[1 mark]
(b). What is the advantage of the mirror as mentioned in (a) compare to plane
mirror?
Apakah kelebihan cermin ini seperti yang dinyatakan di (a) berbanding
cermin satah?
..............................................................................................................................
[1 mark]
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(c). In Diagram 3.2, C is the centre of curvature and F is the focal point of the
mirror.
Pada Rajah 3.2, C ialah pusat kelengkungan dan F ialah titik fokus suatu
cermin.
Diagram 3.2
(i). In Diagram 3.2 , draw a ray diagram to show the position of the image.
Pada Rajah 3.2 lukiskan satu rajah sinar utnuk menunjukkan
kedudukan imej.
[3 marks]
(ii). State the characteristics of the image formedNyatakan cirri-ciri imej yang terbentuk
.[1 mark]
(d) What happens to the size of image if the curvature of convex mirror isdecreased?
.. [1
mark]
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4. Diagram 4.1 and Diagram 4.2 show an experiment to study the relationship between
pressure and volume of air trapped in an air-tight container.
Rajah 4.1 dan Rajah 4.2 menunjukkan satu eksperimen untuk mengkaji
hubungan antara tekanan dan isipadu udara yang terperangkap di
dalam satu bekas kedap udara.
Diagram 4.1 Diagram 4.2
(a) State the function of Bourdon Gauge.
Nyatakan fungsi Tolok Bourdon.
.....
[1 mark]
(b) Based on Diagram 4.1 and Diagram 4.2,
Berdasarkan Rajah 4.1 dan Rajah 4.2,
(i) compare the volume of the gas in the air- tight container
bandingkan isipadu gas dalam bekas kedap udara
[1 mark]
(ii) compare the reading of Bourdon gauge
bandingkan bacaan Tolok Bourdon
.
[1 mark]
(iii) compare the temperature of the gas in the air tight container
Bandingkan suhu gas dalam bekas kedap udara itu
.
[1 mark]
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(c) Using your answer in b(i) and b(ii) state a relationship between volume of gas and the
reading of Bourdon Gauge.
Menggunakan jawapan anda di b(i) dan b(ii) nyatakan satu hubungan antara isipadu
gas dengan bacaan Tolok Bourdon.
.
[1 mark]
(d) Name a physics law involved in the above observation
Namakan satu hukum fizik yang terlibat dalam pemerhatian di atas.
[1 mark]
(e) Using The Kinetic Molecular Theory explain your answer in (c) above.
Menggunakan teori kinetic molekul, terangkan jawapan anda di (c) di atas.
[2 marks]
5. Diagram 5.1 and Diagram 5.2 show identical copper rods placed on
bare copper wires in the magnetic field.
Rajah 5.1 dan Rajah 5.2 menunjukkan rod kuprum yang serupa
diletakkan di atasdawai kuprum tidak bertebat di dalam medan magnet.
Diagram 5.1
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Diagram 5.2
When the switch is on, the pointer of the ammeter deflects and the copper rod is
moved to the final position as shown in the diagrams.
Apabila suis dihidupkan, jarum ammeter terpesong dan rod kuprum digerakkan
ke kedudukan akhir seperti yang ditunjukkan dalam rajah-rajah tersebut.
(a) What is the meaning of magnetic field?
Apakah yang dimaksudkan dengan medan magnet?
.......................................................................................................................
[1 mark]
(b) Observe Diagram 5.1 and Diagram 5.2.
Perhatikan Rajah 5.1 dan Rajah 5.2.
(i) Compare the deflection of the pointer of the ammeters.
Bandingkan pesongan jarum bagi kedua-dua ammeter itu.
..................................................................................................................
[1 mark]
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(d) (i) Explain why the copper rods moved in the direction as shown in
diagrams when the switch is on.
................................................................................................................
.................................................................................................................
[2 marks
(ii) Name the rule used to determine the direction of the copper rod.
Namakan petua yang digunakan untuk menentukan arah rod kuprum
itu.
(ii) Compare the final position of the copper rods.
Bandingkan kedudukan akhir bagi kedua-dua rod kuprum itu.
.................................................................................................................
[1 mark](c) Relate the final position of the copper rod to the magnitude of electric current.
Hubungkaitkan kedudukan akhir rod kuprum dengan magnitud arus elektrik.
..............................................................................................................................
[1 mark]
]
..................................................................................................................
[1 mark]
(e) State one other method that can moved the rod further.
Nyatakan satu kaedah lain yang boleh menggerakkan rod dengan lebih jauh
lagi.
...........................................................................................................................
[1 mark]
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6. Diagram 6.1 and Diagram 6.2 show circuits consists of 3three identical bulbs
arranged in two different ways. Each bulb has a resistance of 4 .
Rajah 6.1 dan Rajah 6.2 menunjukkan dua litar yang mengandungi tiga mentol yang
sama jenis disusun dalam dua cara yang berbeza. Setiap mentol mempunyai
rintangan 4 .
Diagram 6.1 Diagram 6.2
(a). Name the circuit arrangement in Diagram 6.1
Namakan susunan litar pada Rajah 6.1
.............................................................................................................................. [1 mark]
(b) (i) Calculate the effective resistance in each diagram.
Kira rintangan berkesan bagi setiap rajah.
[3 marks]
(ii) State which circuit will produce greater brightness of the bulb
Nyatakan litar manakah akan menghasilkan kecerahan mentol yang lebih cerah
................................................................................................................. [1 mark]
(iii) Give two reasons for your answer in b (ii)
N atakan 2 alasan ba i awa an b ii
[2 marks]
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(c) Diagram 6.3 shows an illuminating torch light.
Rajah 6.3 menunjukkan sebuah lampu suluh yang mengeluarkan cahaya.
Diagram 6.3
It is found that the torch light is not bright enough even when new cells are
used. A modification is required to make it light brighter.
Cahaya daripada lampu suluh ini tidak cukup terang walaupun bateri yang
baru digunakan. Satu pengubahsuaian diperlukan untuk menjadikannya
bercahaya lebih terang.
Suggest the modification that needs to be done through these aspects:
Cadangkan pengubahsuaian yang perlu dibuat melalui aspek-aspek berikut:
(i) Number of cells
Bilangan bateri
.................................................................................................................
[1 marks]
(ii) The way the cells are arranged
Cara susunan bateri
.................................................................................................................
[1 mark]
(iii) Internal resistance of the cell
Rintangan dalam bateri
.................................................................................................................
[1 mark]
Give a reason
Berikan satu sebab
.................................................................................................................
[1 mark]
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7. The following Diagram 7.1 shows a simple wave motion.
Rajah 7.1 ialah pergerakan gelombang.
a) (i) What is meant by a wave motion? [1 mark]
Apakah yang dimaksudkan dengan gerakan gelombang?
.
(ii) State whether the wave is a transverse wave or a longitudinal wave. [1 mark]
Nyatakan samaada ia gelombang melintang atau gelombang membujur
(iii) Give a reason for your answer in (a)(ii). [1 mark]
Nyatakan alasan anda
(iv) If the wave has a frequency of 1 Hz, mark on the diagram 7.1 the distance,D, travelled
by the wave in 2 second. [1 mark]
Jika frekuensi gelombang ialah 1 Hz, tandakan atas rajah 7.1 jarak, D yang dilalui
gelombang dalam masa 2 saat.
b) The following Diagram 7.2 shows water waves being generated by a linear dipper
oscillating in a ripple tank with a deep area and a shallow area as indicated.
Diagram 7.1
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Rajah 7.2 menunjukkan gelombang air dihasilkan oleh pencelup linear yang bergetar di
dalam tangki riak dengan kawasan yang dalam dan kawasan cetek seperti yang
ditunjukkan.
(i) State two changes when the wave moves toward the shallow area. [2marks]
Nyatakan 2 perubahan apabila gelombang bergerak ke kawasan cetek
(ii) If the frequency of the oscillating linear dipper is 9 Hz, the wavelength of the waves in the
deep area is 9 cm and the wavelength of the waves in the shallow area is 4 cm, calculate
the speed of the waves in the deep area and
Jika pencelup linear bergetar pada 9 Hz, panjang gelombang di kawasan dalam ialah 9cm
dan di kawasan cetek ialah 4 cm, kirakan halaju gelombang di kawasan dalam dan
the speed of the waves in the shallow area
halaju gelombang di kawasan cetek
[2 marks]
8. Diagram 8 shows a step-down transformer.
Diagram 7.2
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Rajah 8 ialah transformer langkah-turun
(a) (i) Suggest one suitable metal to be used as metal X in the transformer. [1 mark]
Cadangkan besi yang sesuai digunakan sebagai besi X dalam transformer
(ii) Explain the reason for your answer in 6(a) (i) . [1 marks]
Jelaskan jawapan anda
.
(iii) The number of turns on the primary coil is 2000 and on the secondary coil is 125.
Calculate the output voltage of the transformer. [2 marks]
Bilangan lilitan di gegelung primer ialah 2000 dan gegelung sekunder ialah 125.
Kirakan voltan yang dihasilkan transformer
Diagram 8
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(b) The Diagram 6.2 shows three identical bulbs of "12 V, 24 W", each connected in
series to the secondary coil of a transformer. The input voltage is 240 V from the
mains supply.
Rajah 6.2 merupakan 3 mentol sama 12 V, 24 W, setiap satu disambung secara
sesiri di gegelung sekunder transformer. Voltan input ialah 240V dari bekalan utama.
The primary coil has 3600 turns and secondary has 540 turns . The three bulbs are lighted
with normal brightness.
Gegelung primer mempunyai 3600 lilitan dan sekunder 540 lilitan. Ketiga-tiga mentol
menyala dengan kecerahan normal.
(i) What is meant by normal brightness? [1 mark]
Apakah yang dimaksudkan dengan kecerahan normal?
(ii) What is the output voltage of the transformer? [1 mark]
Apakah voltan output transformer?
...
(iii) ) If the transformer is 100% efficient, calculate the current in the primary coil. [2 marks]
Jika kecekapan transformer ialah 100%, kirakan arus di gegelung primer.
MARKING SCHEME FOR PHYSICS
Diagram 6.2
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PAPER 2
No Answer Mark
1 (a) Voltage 1
(b) 0.8 V 1
(c) Subtract with reading of zero error 1
Total 3
2 (a) Lights with one colour or one wavelength 1
(b) Constructive interference takes place and bright fringes are
observed.
Destructive interference takes place and dark fringes are
observed.
1
1
(c)= 1.35 mm
= 1.35 x 10-3
m
=a x
D
0.5 x 10-3 x 1.35 x 10-3
=1.5
= 4.5 x 10-7
meter
1
1
1
1
Total 7
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3 (a) Convex mirror 1
(b) It can provide a wider field of view than plan mirror 1
(c) (i) 3
(ii) Virtual, upright and diminished 1
(d) Size of image increase 1
Total 7
4 (a) To measure gas pressure 1
(b) (i) Volume in Diagram 5.1 is higher 1
(ii)The reading of Bourdon Gauge in 5.1 is less
1
(iii) Temperature is constant 1
(c) When the volume of gas decreases the reading of Bourdon
Gauge increasing
1
(d) Boyles Law 1
(e) When the volume of gas decrease, the collision per unitarea increases
The pressure of gas will increases.
1
1
Total 8
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5 (a) The region where a magnetic material experiences magnetic
force1
(b) (i) Diagram 6.2 > Diagram 6.1 1
(ii) Diagram 6.2 > Diagram 6.1 1
(c) When the magnitude of current increases, the final position
of the copper rods increases
1
(d) (i) 1. the combination between the magnetic field due to
(permanent) magnet and magnetic field due to current in the
copper rod (conductor wire)
2. produces the resultant force that pushed the copper rods //catapults field
1
1
(ii) Flemings Left Hand Rule 1
(e) Use stronger magnets 1
Total 8
6 (a) Series circuit 1
(b) (i) Di a g ra m 7.1
Re = R1 + R2 + R3= 4 + 4 + 4 (Substitution)
= 12 (Answer wlth unit)
Di a g ra m 7.2
1 = 1 + 1 + 1
R R1 R2 R3
R e = 4
3= 1. 33
1
1
1
(ii) Diagram 7.2 is brighter 1
(iii) Total Effective resistance is lower in parallel circuit
// the current flow increase
Voltage across bulb is higher
1
1
(c) (i) More 1
(ii) In series 1
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(iii) Lower
Voltage lost (voltage drop) will decrease
1
1
Total 11
7 a I Wave motion is the transfer of energy from one location toanother location without the transfer of matter.
1
Ii Transverse wave 1
Iii The direction of vibration is perpendicular to the direction of
ro a ation of the wave motion.
1
iv
1
B I - Wavelength becomes smaller.
- Speed becomes smaller.
- Amplitude becomes bigger.
2
ii v = f = 9 x 9 = 81 cm s-1
v = f = 9 x 4 = 36 cm s-12
Total 8
8 a I Soft iron core 1
Ii easily to magnetized or demagnetized 1
Iii V/240=125/2000
V = 15V
2
b I Normal brightness means the voltage supplied to a bulb is the
same as the voltage ratings on the bulb.
1
Ii 12 3 = 36 V 1
iii Power input =Power outputI (240) = 24 X 3
I = 0.3 A
1
1
Total 8
D