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  • Physics Perfect Score_SBP_ 2010 1

    BAHAGIAN PENGURUSAN

    SEKOLAH BERASRAMA PENUH SEKOLAH KLUSTER

    KEMENTERIAN PELAJARAN MALAYSIA

    PERFECT SCORE MODULE

    SEKOLAH BERASRAMA PENUH

    2010

    PHYSICS

    NAME : .....

    CLASS / SCHOOL : .....

  • Physics Perfect Score_SBP_ 2010 2

    Guidelines on how to carry out the PERFECT SCORE Workshop :

    1. The workshop is divided into six slots of two hours each. It is suggested that one section to be

    discussed in each slot. (Please refer to the table below)

    2. Suggested activity for each slot:

    Briefing by facilitator 10 minutes

    Discussion Session 20 30 minutes

    Presentation by group 70 - 80 minutes

    Conclusion 10 minutes

    Total 120 minutes (2 hours)

    3. Materials and equipments needed for this workshop :

    Perfect Score Module (6 sections - Section I VI)

    Transparency / A4 paper/test pad

    permanent and whiteboard marker pen

    overhead projector

    whiteboard

    PHYSICS PERFECT SCORE 2010 PANELS

    PN NOR SAIDAH BT CHE HASSAN (SBPI Gombak)

    PN JAMILAH BT YUSOF (SSP)

    PN HASLINA BT ISMAIL (SMS Hulu Selangor)

    PN KAMARIAH BT MOHD ARSYAD (MCKK)

    PN NIK SERI RAHAYU BT NIK ARIFF (SMS Hulu Selangor)

    PN FUZIAH BT AHMAD (SMAP Labu)

  • Physics Perfect Score_SBP_ 2010 3

    CONTENTS

    SLOT SECTION CONSTRUCT TYPE OF QUESTION

    IN SPM 4531 Page

    1 I CONCEPTUALISING

    Paper 2 Section A

    (Question 5 / Question 6)

    Paper 2 Section B

    (Question 9 / Question 10)

    2 II PROBLEM SOLVING

    (QUALITATIVE)

    Paper 2 Section A

    (Question 7)

    Paper 2 Section B

    (Question 9 / Question10)

    3 III DECISION MAKING

    Paper 2 Section A

    (Question 8)

    Paper 2 Section A

    (Question 8)

    Paper 2 Section C

    (Question 11 / Question12)

    4 IV UNDERSTANDING

    Paper 2

    Section B

    (Q uestion 9 / Question 10)

    Section C

    (Question 11 / Question 12)

    5 V PROBLEM SOLVING

    (QUANTITATIVE)

    Paper 2

    Section C

    (Question 11 / Question 12)

    DESIGN EXPERIMENT

    Paper 3

    Section B (Question 3 /

    Question 4)

  • Physics Perfect Score_SBP_ 2010 4

    SECTION 1 CONCEPTUALISATION

    (Paper 2 Section A: Question 5/6; Section B Question 9/10 )

    Question 1 [ Forces and Motion]

    Diagram 5.1 and Diagram 5.2 show two coconut trees, one by the roadside and the other by the

    beach. A coconut falls from the same height from each tree.

    Diagram 5.1 Diagram 5.2

    (a) (i) Name one force that is acting on the coconut during the fall. [1 mark]

    (ii) Name the type of motion of the coconut when it drops from the tree [1 mark]

    (b) Based on Diagram 5.1 and Diagram 5.2, compare

    (i) the force on the coconut that landed on the road and that landed on the beach. [1 mark]

    (ii) the change in momentum. [1mark]

    (iii) the time of impact of the coconuts on the road and on the beach [1 mark]

    (c) Based on your answers in (b) (i) and (b) (iii), state the relationship between the force produced in a collision and the time of impact

    [1 mark]

    (d) Name the force that results from a collision as shown in both diagrams. [1 mark]

    Question 2 [ Forces and Pressure ]

    Diagram 5.1 shows a load placed on an ice block. Diagram 5.2 shows an ice floating without the load.

    (a) Explain why ice block float in water? [1 mark]

    (b) What are the force acting on the ice block? [1 mark]

    Coconut cracks

    Coconut intact

  • Physics Perfect Score_SBP_ 2010 5

    (c) Based on Diagram 5.1 and Diagram 5.2,

    (i) Compare the volume of water displaced [1 mark]

    (ii) Compare the weight of water displaced [1 mark]

    (iii) Compare the buoyant force [1 mark]

    (iv) State the relationship between buoyant force and the weight of water displaced [1 mark]

    (v) Name the physics principle involved? [1 mark]

    Question 3 [ Force and Pressure]

    Diagram 9.1 shows a man walking bare foot along a reflexology path. The path is made of cement set with smooth stones and large pebbles. Walking along this path is said to improve circulation of blood in the body. Diagram 9.2 shows the same man walking along the path. He is now wearing shoes.

    (a) Using Diagram 9.1 and Diagram 9.2, compare

    (i) the contact area for the mans feet and the type of surface

    (ii) the pain or discomfort felt by the man

    (iii) Relate the contact area between the man and the type of surface with the pain or discomfort felt by the man to deduce a relevant physics concept

    [4 marks]

    (b) Define the physical quantity that explains the situation above and state its unit [2 mark]

    Load

    Diagram 5.1 Diagram 5.2

    Ice block

  • Physics Perfect Score_SBP_ 2010 6

    Question 4 [ Heat]

    Diagram 5.1 and Diagram 5.2 show two types of metal blocks, P and Q being heated by 50 W immersion heater for 5 minutes..Table 5 shows information related to two metal blocks P and Q.

    Diagram 5.1 Diagram 5.2

    Metal block Mass/ kg Specific heat capacity / Jkg-1

    C -1

    Heat energy supplied / J

    P 1.0 875 658

    Q 1.0 103 1740

    Table 5 (a) What is meant by specific heat capacity? [1 mark]

    (b) Calculate the rise in temperature for

    (i) metal block P [1 mark]

    (ii) metal block Q [1mark]

    (c) Based on your answers in 5(b), compare the rise in temperature for metal block P and metal block Q.

    [1 mark]

    (d) Based on the information in Table 5, [1 mark]

    (i) compare the specific heat capacity of metal block P and metal block Q [1 mark]

    (ii) relate the rise in temperature to the specific heat capacity of the metal block. [1mark]

    (e) In this experiment, the temperature is recorded when the reading on the thermometer has achieved a constant value. State the reason why

    [1mark]

    Question 5 [ Waves]

    Diagram 5.1 and 5.2 show a SONAR wave is sent by transmitter at the lower part of the boat and the echoes are detected by hydrophone. Diagram 5.3 and 5.4 show the trace on the screen of oscilloscope.

    To 12 V power supply

    Thermometer

    Metal block P Metal block Q Felt

    Thermometer

  • Physics Perfect Score_SBP_ 2010 7

    Diagram 5.3 Diagram 5.4 (a) What is meant by wavelenght? [1 mark]

    (b) Sound waves with frequency of 5.8 x 105 Hz are used to determine the depth of the

    sea. The speed of sound waves in sea water is 1250 ms-1

    . The time-base of the oscilloscope is adjusted at 50 ms cm

    -1. Calculate the depth of the sea.

    (Remark: Problem solving Quantitative)

    [2 marks]

    (c) Observe diagram 5.3 and 5.4, [1 mark]

    (i) compare between amplitude of transmited waves and reflected waves [1 mark]

    (ii) explain your answer in (c) (i) [1 mark]

    (iii) compare the amplitude of reflected waves in diagram 5.3 and diagram 5.4 [1 mark]

    (iv) explain your answer in (c) (iii) [1 mark]

    Question 6 [ Electricity]

    Diagram 5.1 shows an electric circuit. Voltmeter V1 , V2 and V3 have high resistance. Ammeter A1,

    A2 and A3 and battery have small internal resistance that can be neglected. Bulb M1 ,M2 and M3 have

    same resistance.

    Diagram 5.1 Diagram 5.2

  • Physics Perfect Score_SBP_ 2010 8

    Diagram 5.1

    (a) Based on diagram 5.1, compare the readings of ammeter A1 and ammeter A3 , when the switch S1 is on and switch S2 is off.

    [1 mark]

    (b) When switch S1 and switch S2 are on,

    (i) Compare the brightness of bulb M1 and M2 [1 mark]

    (ii) Compare the readings of voltmeter V1 and voltmeter V2 [1 mark]

    (iii) Write down the equation to relate the readings of voltmeter V1 , V2 and V3 [1 mark]

    (iv) Write down the equation to relate the readings of ammeter A1, A2 and A3 [1 mark]

    (c) (i) By referring to (a) state the type of circuit connection for the bulb if only bulbs M1 and M3 light up.

    [1 mark]

    (ii) Is the circuit connection above suitable to be used in a domestic wiring system? Give a reason for your answer

    [1 mark]

    Question 7 [ Electromagnetics]

    Diagram 6.1 shows a bar magnet with north pole at point P and Diagram 6.2 shows a bar magnet with

    south pole at point Q which is moved towards the solenoid to produce induced current.

    DIAGRAM 6.1 DIAGRAM 6.2

    Switch S1

    Switch S2

    M1

    M2

    M3

    A3

    V23

    A2

    V1

    A1

    V3

    Zero centre

    galvanometer

    Zero centre galvanometer

    Coil A Coil B

    Bar magnet Bar magnet

    String String

  • Physics Perfect Score_SBP_ 2010 9

    (a) Observe the diagrams and state two differences between them [2 marks]

    (b) What is the polarity exerted at point P and Q when the magnet is moved towards the solenoid?

    [2 marks]

    (c) What is the relationship between the number of turns and the magn