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SEMINAR
FIZIK SPM
2011
PENCERAMAH THONG KUM SOON
SMS Seri Puteri
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2
Tips for Paper 3 No 1 and No 2
1. Identity the variable from the text and diagram.
(a) Manipulated variable
(b) Responding variable
(c) Fixed variable (can be measured)
---NOT TYPE OF SUBSTANCE
(d) Observe the diagram measurement
(e) Identity the value in table
(f) Tabulate data with symbol and unit
(g) Plan your graph (unit and symbol)
(h) Determine the relationship from the graph
2. Read the question CAREFULLY
(a) Extrapolate the graph and write the value next to it
(b) Plot biggest triangle and get closest value with unit
(c) Substitute the value correctly with 2 decimal places
(d) Place precaution
Observe the reading perpendicular to the eyes to
prevent parallax errors
Off the circuit when measurement is not taken to
prevent heating of wires and cause systematic errors
Repeat the experiment for 3 times and determine the
average to prevent systematic error
Questions no 1
a. Manometer measurement (pressure and height) (MRSM 2008)
b. Protractor (Refraction)
c. Interferens (measure distance of separation)(DIAGNOSTIK KL 2010)
Questions 2 (Graph)
a. Light of lenses (f
1=
v
1 +
u
1 )
b. Internal resistance ( negative graph)
c. Refractive index (sin i vs sin r)
Questions 3 (Form 4)
a. Pressure with height (measurement with manometer – u Tube, thristle funnel)
b. To investigate the relationship between the pressure and the temperature ( Pressure
law’s- Bourdon gauge and thermometer)
c. To investigate the relationship between the sine of incident angle ,i and the sine of
refracted angle, r
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3
Questions 4 (form 5)
a. To investigate the relationship between the distance between two sources and
distance between two separation, a α x
1
b. To investigate the relationship between the area cross sectional of the wire, A ,
(length ) and the resistance, R of the wire
Underline the variables of MV and RV from the diagram. Use the variables to
substitute the format of Planning Experiment.
Procedure
1. State the initial measurement of MV.
2. State the ways of measurement of RV with apparatus and follow with formula (if
necessary)
3. Repeat the experiment with 4 different MV values. a1,a2,a3 and a4.
Paper 2 TOP Discussion Topic
1. Inertia (4 marks)
2. Pressure due to height (5 marks)
3. Momentum (6 marks)
4. Electromagnetic induction (Transformer ) (7 marks)
5. Elasticity (8 marks)
6. Resistance and area cross sectional (8 marks)
7. Gas Law (10 marks)
8. Electronic ---Transistor (12 marks)
9. Bernoulli’ s (12 marks)
10. Archimedes Principle (12 marks)
11. Radioactive (fusion and Fission) (12 marks)
12. Heat (Charles Law’s) Light (Lenses) (12 marks)
Paper 2 Part B
1. Definition – don’t state the formula of the define word
- Write the definition in statement from the
formula
2. Comparison questions – must use back the same diagram to
compare in physics term comparison. Quote back the
Diagram number, and compare with statement according to
the marks provision.
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4
3. Explanation on aspects given.
Must quote back the aspect given, don’t divert the statement
by explaning other statement of your ways.
Explain the characteristics of the statement given follow ( 1
marks) with explanation of the benefit and advantages of the
characteristics stated. (1 marks)
More explanation are better, usually TWO are more than
enough.
Part C
1. Usually calculation, and definition.
Please state formula, working and final results with
minimum 2 decimal places and correct units.
2. Explanation of physics concepts, usually test your
understanding of physics formula relationships.
3. Study specification on the aspects given and evaluate the
pictures given to extract the answer from the information
given. Quote the information of point of answer and
elaborate the statement of characterics with physics concept
explanation.
4. Try to give TWO explanation of each characterics in a
statement. (4 points with 4 explanation) – 8 marks
5. Final 2 marks is the explanation of the BEST suitability and
CHOOSE the BEST of the 4 or 5 given examples.
6. This characteristics and explanation can states in a table
form. (THE BEST EVER ESSAY for 10 marks)
7. Choose the best essay than you can get the MOST marks.
8. Essay in Part B and Part C is usually ONE form 4 and ONE
form 5. So DON’T SPOT QUESTION. Study all the physics
concept.
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5
Popular Questions
Questions
1. Johor (magnetic and transformer E 10)
2. Johor (Elasticity S8)
3. Kedah (radioactive E12)
4. Kedah (electromagnet S5)
5. Kedah (Archimedes S3)
6. Kelantan (heat S8)
7. Kelantan (Interferens S6)
1.
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6
2.
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7
3.
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8
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9
Sample Paper 3
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10
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11
(a) make one suitable inference .
The ___________________ is depend on the ____________________________
(b) state one appropriate hypothesis
The higher the _______________________, the _________ the ____________________
(i) aim of the experiment
to determine the relationship between _______________ and _______________
(ii) variables in the experiment
MV _________________________
RV __________________________
CV ___________________________
(iii) list of apparatus and materials
(From list given and use to measure RV and MV with controlling the motion)
_____________________________________________________
(iv) arrangement of the apparatus
(diagram with label)
(v) the procedures of the experiment
1. method of controlling the manipulated variable (initial data)
__________________________________________________
2. method of measuring the responding variable (use what and how to measure )
____________________________________________________
____________________________________________________
3. repeat with 4 difference value
______________________________________________________
(vi) the way of tabulate data
MV, symbol and unit RV, symbol and unit
(vii) the way you would analyse the data
(viii) analyse the data
(b) symbol and unit
Symbol and unit
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CONFIDENTIAL 4531/2
4531/2 ©2009 Copyright Bahagian Pendidikan dan Latihan (Menengah) MARA CONFIDENTIAL
16
For Examiner’s
use
7 Diagram 7.1 shows a simple electric motor. Rajah 7.1 menunjukkan sebuah motor elektrik ringkas.
Diagram 7.1 Rajah 7.1
7(a)(i) (a) (i) Name the type of motor shown in the diagram above.
Namakan jenis motor yang ditunjukkan pada rajah di atas. ……………………………........................................................................ [1mark] / [1 markah]
7(a)(ii) (ii) What is the function of the part labeled X?
Apakah fungsi bahagian yang berlabel X? ……………………………........................................................................ [1mark] / [1 markah]
1
1
Armature armatur
X
Permanent magnet Magnet kekal
Carbon brush Berus karbon
N S
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CONFIDENTIAL 4531/2
[Turn over 4531/2 ©2009 Copyright Bahagian Pendidikan dan Latihan (Menengah) MARA CONFIDENTIAL
17
(b) (i) By refering to Diagram 7.1, draw the related catapult field in the diagram below. Dengan merujuk Rajah 7.1, lukiskan medan lastik pada rajah di bawah. [2 marks ] / [2 markah]
For Examiner’s
use
7(b)(i)
(ii) In your diagram, draw and label the direction of forces produced. Pada rajah anda, lukis dan labelkan arah daya-daya yang dihasilkan.
[1mark] / [1 markah]
7(b)(ii)
(iii) State one factor that affects the speed of rotation of the armature. Nyatakan satu faktor yang mempengaruhi kelajuan putaran gegelung wayar ……………………………........................................................................ [1mark] / [1 markah]
7(b)(iii)
2
1
1
N
S
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CONFIDENTIAL 4531/2
4531/2 ©2009 Copyright Bahagian Pendidikan dan Latihan (Menengah) MARA CONFIDENTIAL
18
For Examiner’s
use (c) Diagram 7.2 shows the same type of electric motor used in a blender to grind
food where a blade is attached to the electric motor. Rajah 7.2 menunjukkan motor elektrik yang sama jenis di dalam sebuah mesin pengisar yang digunakan untuk mengisar makanan di mana satu mata pisau disambungkan kepada motor elektrik
Diagram 7.2 Rajah 7.2
Suggest and explain the modifications which need to be done for each of the following: Cadang dan terangkan pengubahsuaian yang perlu dilakukan untuk setiap yang berikut:
7(c)(i)
(i) To enable the motor to be used with alternating current. Membolehkan motor digunakan dengan bekalan arus ulang alik. ……………………………......................................................................... ……………………………......................................................................... [2 marks] / [2 markah]
7(c)(ii)
Total A7
(ii) To increase the strength of the magnetic field . Menambahkan kekuatan medan magnet. ……………………………......................................................................... …………………………….........................................................................
[2 marks] / [2 markah]
2
10
Attached to blade of blender Disambung kepada
pisau pengisar
Armature Armatur
To power supply Ke bekalan kuasa
Permanent magnet Magnet kekal
2
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CONFIDENTIAL 24 4531/2
4531/2 CONFIDENTIAL
10 am 10.1(a) Diagram 10.1 shows one insulated conductor which is moved downwards in a magnetic
field. Diagram 10.2 shows three insulated conductors which are moved downwards in the
magnetic field.
Rajah 10.1 menunjukkan satu konduktor bertebat digerakkan ke bawah dalam medan magnet. Rajah 10.2
menunjukkan tiga konduktor bertebat digerakkan ke bawah dalam medan magnet.
(a) What is meant by electromagnetic induction? [1 mark]
Apakah yang dimaksudkan dengan aruhan elektromagnet? [1 markah]
(b) Using Diagram 10.1 and Diagram 10.2, compare,
Menggunakan Rajah 10.1 dan Rajah 10.2, bandingkan,
(i) The number of conductor wires [1 mark]
Bilangan wayar konduktor [1 markah]
(ii) The deflection of the galvanometer pointer [1 mark]
Pesongan penunjuk galvanometer [1 markah]
Diagram 10.1 Diagram 10.2 Rajah 10.1 Rajah 10.2
Centre-zero galvanometer Galvanometer pusat sifar
Centre-zero galvanometer Galvanometer pusat sifar
Direction of motion of insulated conductor Arah gerakan konduktor bertebat
N S N S
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CONFIDENTIAL 25 4531/2
[Turn page over
4531/2 CONFIDENTIAL
(iii) Relate the number of conductor and the rate of cutting of magnetic flux.
[1 mark]
Hubungkaitkan bilangan konduktor dan kadar pemotongan fluks medan magnet.
[1 markah]
(iv) Relate the rate of cutting of magnetic flux and the induced current.
[1 mark]
Hubungkaitkan kadar pemotongan fluks medan magnet dengan arus aruhan.
[1 markah]
(v) Name the physics law involved. [1 mark]
Namakan hukum fizik yang terlibat. [1 markah]
(c) Diagram 10.3 shows the structure of a generator. Explain how the generator can
be used to produce electricity.
Rajah 10.3 menunjukkan struktur sebuah penjana. Terangkan bagaimana penjana itu digunakan
untuk menghasilkan arus elektrik.
Diagram 10.3 Rajah 10.3
[4 marks] [4 markah]
Commutator Komutator
S N
Carbon Brush Berus karbon
Galvanometer
Coil Gegelung
Resistor Perintang
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CONFIDENTIAL 26 4531/2
4531/2 CONFIDENTIAL
(d) Diagram 10.4 shows the cross section of a moving coil microphone which
converts one form of energy into another.
Rajah 10.4 menunjukkan keratan rentas sebuah mikrofon gegelung bergerak yang
menukarkan satu bentuk tenaga ke bentuk yang lain.
When sound vibrates the diaphragm, the attached voice coil moves in and
out the magnetic field and generates a small electric current in the coil.
Using the appropriate concepts in physics, suggest and explain suitable
modifications or ways to enable the microphone to detect sound effectively
and generate bigger current based on the following aspects :
Apabila bunyi menggetarkan diafragma, gegelung suara yang bersentuhan dengannya
bergerak ke dalam dan ke luar medan magnet dan menghasilkan arus elektrik yang kecil di
dalam gegelung.
Menggunakan konsep fizik yang sesuai , cadang dan terangkan pengubahsuaian atau cara
yang boleh dilakukan untuk membolehkan mikrofon mengesan gelombang bunyi secara
berkesan dan menghasilkan arus yang lebih besar berdasarkan aspek-aspek berikut :
(i) The thickness of the diaphragm Ketebalan diafragma
(ii) The strength of the material for the diaphragm Kekuatan bahan untuk diafragma
(iii) The number of turns of the coil Bilangan lilitan gegelung
(iv) The diameter of the coil wire Diameter dawai gegelung
(v) The strength of the magnet Kekuatan magnet
[10 marks] [10 markah]
Diaphragm Diafragma
Diagram 10.4 Rajah 10.4
Magnet
Voice coil gegelung suara
Output Keluaran
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CONFIDENTIAL 4531/2
4531/2 ©2009 Copyright Bahagian Pendidikan dan Latihan (Menengah) MARA CONFIDENTIAL
26
10 Diagram 10.1 and Diagram 10.2 show the pattern of interference of water waves.
Rajah 10.1 dan Rajah 10.2 menunjukkan corak interferens bagi gelombang air.
(a) How does constructive interference occur?
Bagaimana interferens membina terjadi? [1 mark] / [1 markah]
(b) Using Diagram 10.1 and Diagram 10.2, compare the
Menggunakan Rajah 10.1 dan Rajah 10.2, bandingkan
(i) distance between the two coherent sources. jarak di antara dua sumber koheren.
[1 mark] / [1 markah]
(ii) vertical distance between point P and the respective coherent sources. jarak menegak di antara titik P dan sumber koheren berkaitan.
[1 mark] / [1 markah]
(iii) wavelength of the propagating water wave. panjang gelombang bagi gelombang air yang merambat.
[1 mark] / [1 markah]
(iv) distance between two consecutive antinodes. jarak di antara dua garis antinod yang berturutan.
[1 mark] / [1 markah]
(c) Relate the distance between the two coherent sources with the distance between two consecutive antinodes. Hubungkaitkan jarak di antara dua sumber koheren dengan jarak di antara dua garis antinod
berturutan. [1 mark] / [1 markah]
Diagram 10.1 Rajah 10.1
Coherent sources Punca koheren
Coherent sources Punca koheren
P
Diagram 10.2 Rajah 10.2
P
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(c) Table 11 shows the design of five torchlights P, Q, R, S and T. Jadual 11 menunjukkan reka bentuk bagi lima lampu suluh P, Q, R, S dan T. Table 11 Jadual 11 You are asked to investigate the characteristics of the five torchlights shown in Table 11. Explain the suitability of each characteristics of the torchlight and determine the torchlight which can produce a strong parallel beam of light. Give reasons for your choice. [10 marks] Anda ditugaskan untuk mengkaji ciri-ciri bagi lima lampu suluh seperti yang ditunjukkan dalam Jadual 11. Terangkan kesesuaian setiap ciri lampu suluh itu dan tentukan lampu suluh yang boleh menghasilkan satu alur cahaya selari yang terang. Beri sebab untuk pilihan anda. [10 markah]
P
Q
R
S
Concave reflector Pemantul cekung
Bulb beyond principle focus Mentol di luar titik fokus
Battery Bateri
Constantan connecting wire Wayar penyambung konstantan
Bulb at principle focus Mentol di titik fokus Copper connecting wire
Wayar penyambung kuprum Battery
Bateri
Concave reflector Pemantul cekung
Convex reflector Pemantul cembung
Bulb at the pole of the mirror Mentol di kutub cermin
Battery Bateri
Copper connecting wire Wayar penyambung kuprum
Constantant Connecting wire Wayar penyambung konstantan Battery
Bateri Convex reflector Pemantul cembung
T
Bulb between the two plane mirror Mentol antara dua cermin satah Iron connecting wire
Wayar penyambung besi Battery
Bateri Plane reflector Pemantul satah
Bulb at the pole of the mirror Mentol di kutub cermin
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CONFIDENTIAL 15 4531/3
4 Diagram 4.1 and 4.2 shows the electric circuit consist with an electric bells, switch and battery. When the switch is closed, it is observes that the bell in Diagram 4.2 rings louder than the bell in Diagram 4.1. Both electric bells in each diagram are same.
Rajah 4.1 dan 4.2 menunjukkan litar elektrik mengandungi satu loceng elektrik, suis dan sel kering. Apabila suis ditutup, didapati loceng dalam Rajah 4.2 berdering lebih kuat daripada loceng dalam Rajah 4.1. Kedua-dua loceng adalah sama bagi setiap rajah.
electric bell loceng elektrik
Diagram 4.1 Rajah 4.1
Batteries eel keying
electric bell loceng elektrik
Diagram 4.2 Rajah 4.2
4531/3 Percubaan 2010 © Hak Cipta JPNT
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[Turn Over] CONFIDENTIAL
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CONFIDENTIAL 16 4531/3
Based on the observation above and your knowledge of electromagnet; Berdasarkan pemerhatian di atas dan pengetahuan anda mengena elektromagnet;
(a) State one suitable inference. Nyatakan satu inferens yang sesuai.
[lmark] [1 markahJ
(b) State one suitable hypothesis. Nyatakan satu hip otesis yang sesuai.
[lmark ] [1 markahJ
(c) With the use of apparatus such as solenoid, paper clips and others describe an experiment framework to investigate the hypothesis stated in 4(b)
Dengan menggunakan radas seperti solenoid, klip kertas dan lain-lain , terangkan satu rangka kerja eksperimen untuk menyiasat hipotesis yang anda nyatakan dalam 4(b)
In your description, state clearly the following Dalam penerangan anda jelaskan perkara berikut
i) Aim of the experiment. Tujuan eksperimen.
Variables in the experiment. Pembolehubah dalam eksperimen.
iii) List of apparatus and materials. Senarai radas dan bahan
iv) Arrangement of the apparatus. Susunan radas.
v) The procedure of the experiment which include one method of controlling the manipulated variable and one method of measuring the responding variable. Prosedur eksperimen termasuk satu kaedah mengawal pembolehubah dimanipulasikan dan satu kaedah mengukur pembolehubah bergerak balas.
The way you would tabulate the data. Penjadualan data.
vii) The way you would analyse the data. Cara anda menganalisis data.
[10 marks] [10 markahJ
END OF QUESTION PAPER KERTAS SOALAN TAMAT
[Turn Over] 4531/3 Percubaan 2010 © Hak Cipta JPNT CONFIDENTIAL
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(b) The transistor is switched on when the base voltage V2
Transistor itu dihidupkan apabila voltan tapak V ≥ 2 V.
2
≥ 2 V
(i) Write an equation to show the relationship between IB, IC and IETuliskan satu persamaan untuk menunjukkan hubungan antara I
. B, IC dan IE
.
...........……………………………………………..……………………………….. [1 mark] [1 markah]
(ii) Calculate the minimum value of R2
Hitungkan nilai minimum R when the transistor is switched on.
2
apabila transistor itu dihidupkan.
[2 marks]
[2 markah]
(c) The resistor R2
Perintang R
is then replaced with a light dependent resistor,LDR, which has high resistance when it is dark.
2mempunyai rintangan tinggi apabila gelap.
kemudian digantikan dengan perintang peka cahaya, PPC ,yang
(i) State whether the bulb will light up during the day. Give reason to your
answer. Nyatakan sama ada mentol itu akan menyala pada waktu siang. Jelaskan jawapan anda. .....................………………………………………………………………………… .....................…………………………………………………………………………
[2 marks] [2 markah]
(ii) Besides being used as a switch, state other use of a transistor. Selain daripada digunakan sebagai satu suis, nyatakan satu kegunaan lain bagi transistor . .....................………………………………………………………………………..
[1 mark] [1 markah]
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2. A student oarries out an expodment to determine the intemal r€sistanoe, r, of a dry cell.The result ofthis experiment is shown in the gra.ph ofpotential difference, /, againstcurenq /, in Diagram 2.1 .
Seorog mwid menjalankan sotu elcperlmen untuk merprtukm, rlntngan folan r,sebuah sel kzring. Keputusan elaperimen iln iltu$ttltcon oleh g{V nelowot I padaRajah2.l.
(a) Based on the gnph in Diagran 2.1,Berdasukan grqf pada Rqiah2.l,
(i) What happens to f as.lincleases?
Apakahyang berlafu padaV qabila I bert@nbah?
(ii) Deten:rfne the value of I'uten.l= 0 A.Show on the grapb, how you determine ibe value of Z.
Tentukannilai V apabila I =0 A"
Tmjukkan pada graf itu bagainaa anda menenukan nllal V,
(iii) Name the physical quastity that rcpreseots the valu€ in (a{ii).Namalun htantiti frzik yong dtwaldlt oleh nilat dalon (a)(ti)
lr=
ll ma*lIl narkahl
pnobl[2narkahl
ll rnarkl1l narlahl
SALIT'.4sf1t3ILihat halaman sebelah
PHYSICS (3)TING 5 PERCUBMN SPi' 2011
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Graphof Zagainst/Graf V melawan I
0.6 0.8 1.0
Diagram 2.1
Rajah2.l
SULIT
PHYSTCS (3) T|NG 5 PERCUBAAN SpM 2011
4531/310
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(b) The internal resistance, r, of the dry cBll is given by the fomrula r = -m, where rz isthe gradient ofthe graph.
Rintangan dalam sel kering r, diberi olehformula r = -& &ngan m ialahkecerunnn graf,
(i) Calculate the value of m.Show on the graph how you calculate m.Hit mg kzcerrnan m, bagi grditu
Tqiuklran pada graf in bagaimana odo nenghinngm
m=[3 narlcs]
13 tnokahl(ii) Deternine ttre value of r.
Tentukan nilai r.
r=[1 nark]
U narkahl(c) Frcm the grap\ state ihe value of t,when.f =b.6 A.
Show on the graph how you determine the value of /.. Dtipada graf, nyatalan nilai Y apablla I - 0.6 A.
Twiukkor pada gr$bagaimona onda menentu*on nllal Y.
[2 marks]p norkahJ
(d) State two precautions that can be taken to impr,ove the accruacy ofthe readingsin this experiment.
Nyatokan tlua loqkah berjaga-jaga yang boleh dlunbil untuk memperbaikiketepatan bacaan dalam eksperimen lni.
l/=
2.
+\rur
[2 narks]
12nokahlSULIT
ILihat halaman sebelahPHYSICS (3) TING 5 PERCUBAAN SPM 2011
11
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