bengkel skema pemarkahan fizik kertas`3

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    Skema Pemarkahan FizikSkema Pemarkahan Fizik

    Kertas 3Kertas 3

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    Section ASection AQ1(a)(i).Q1(a)(i).

    State the manipulative variableState the manipulative variablecorrectly(1)correctly(1)

    umber o! turnsumber o! turns

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    1(a)(ii)1(a)(ii)

    State the respon"in# variable correctly(1)State the respon"in# variable correctly(1)

    len#th o! the coillen#th o! the coil

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    1(a)(iii)1(a)(iii)

    State the constant variable correctly.(1)State the constant variable correctly.(1)

    $iameter o! %ire.&&$iameter o! %ire.&&thickness o! %ire&&thickness o! %ire&&

    cross sectional area o! %irecross sectional area o! %ire

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    1(b)(i)1(b)(i)

    'ecor" the zero error correctly.'ecor" the zero error correctly.(1 mark)(1 mark)

    *.*+ cm *.*+ cm

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    1(b) (ii)1(b) (ii)

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    1(c)1(c)

    $ra% a complete #raph o! , a#ainst n.$ra% a complete #raph o! , a#ainst n. -ick-ick on the !ollo%in# aspects. on the !ollo%in# aspects. Sho% , on the vertical a/is an" n on theSho% , on the vertical a/is an" n on the

    horizontal a/is.horizontal a/is. State the units o! the variables correctly.State the units o! the variables correctly. 0oth a/es are marke" %ith uni!orm scale.0oth a/es are marke" %ith uni!orm scale. All !ive points are plotte" correctly( +All !ive points are plotte" correctly( + ). ! only). ! only

    three points a%ar" 1three points a%ar" 1 .. 0est !it strai#ht line is "ra%n.0est !it strai#ht line is "ra%n. Sho% the minimum size o! #raph o! at leastSho% the minimum size o! #raph o! at least

    2 / ( + cm / + cm ) s4uare.2 / ( + cm / + cm ) s4uare.

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    5/ample5/ample

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    ScoreScore

    Number ofNumber of ScoreScore

    66 22

    2727 33 33

    ++ ++

    11 11

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    1(")1(")

    State the correct relationship bet%een ,State the correct relationship bet%een ,an"an" nn.(the #raph must be e/trapolate").(the #raph must be e/trapolate")

    , is "irectly proportional to the number , is "irectly proportional to the numbero! turnso! turns nn

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    Section A (Q1)Section A (Q1)the relation of graphthe relation of graph

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    +(a)(i)+(a)(i)

    State the chan#e correctly.(1)State the chan#e correctly.(1)

    8 increases. 8 increases.

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    +(a)(ii)+(a)(ii)

    Sho% on the #raph %ay to "etermine the value o! 8 %henSho% on the #raph %ay to "etermine the value o! 8 %hen$ 9 1.1* m. (1)$ 9 1.1* m. (1)

    h&m

    a&ms+

    1.1*

    *.12

    State the value o! 8 correctly 8 9 *.12 (1)

    8&

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    +(a)(iii)+(a)(iii)

    $&

    8&cm

    ,

    K

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    +(b)+(b)

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    +(c)+(c)

    (i) -he #ra"ient "ecreases (1)(i) -he #ra"ient "ecreases (1)

    (ii) :avelen#th is "irectly proportional to(ii) :avelen#th is "irectly proportional to #ra"ient.&& :avelen#th o! re" li#ht is#ra"ient.&& :avelen#th o! re" li#ht is

    bi##er than the blue li#ht. (1)bi##er than the blue li#ht. (1)

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    +(")+(")

    State one correct precautions ( 1 )State one correct precautions ( 1 )

    Position o! the eyes perpen"icular to the Position o! the eyes perpen"icular to thescale& rea"in# o! the ruler.&&scale& rea"in# o! the ruler.&&

    e/periment is "one in a "ark room. e/periment is "one in a "ark room.

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    Section 0Section 0

    3(a)3(a)State a suitable in!erenceState a suitable in!erence.(1).(1)

    Acceleration o! the car "epen"s on the Acceleration o! the car "epen"s on themass.mass.

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    3(b)3(b)

    State a correct hypothesisState a correct hypothesis.(1).(1)

    -he bi##er the.......... the lo%er is the -he bi##er the.......... the lo%er is the;;;..;;..&&;;;..;;..&&

    -he acceleration increases as the mass -he acceleration increases as the mass"ecreases"ecreases

    mass

    acceleration

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    3(c)(i)3(c)(i)

    State the aim o! the e/perimentState the aim o! the e/perimentcorrectly(1).correctly(1).

    -o investi#ate the relationship bet%een the-o investi#ate the relationship bet%een the;;;;;; an" ;;;;;;;;..;;;;;; an" ;;;;;;;;..mass acceleration o! the

    trolley

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    3(c)(ii)3(c)(ii)

    State the manipulateve an" respon"in#State the manipulateve an" respon"in#variables correctlyvariables correctly.(1).(1)

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    3(c)(iii)3(c)(iii)

    ,ist out the important apparatus an",ist out the important apparatus an"materials.&& $ia#ram(1)materials.&& $ia#ram(1)

    trolley slotte" %ei#ht ticker timertrolley slotte" %ei#ht ticker timer tickertickertape, ruler/metre rule, string/elastictape, ruler/metre rule, string/elasticchord, pulley, poer supply,chord, pulley, poer supply, connectin#connectin#%ire !riction compensate" incline" plane%ire !riction compensate" incline" planean" blocks.an" blocks.

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    3(c)(iv)3(c)(iv) State a !unctional arran#ementState a !unctional arran#emento! the apparatus %ith the ai" o! labelle"o! the apparatus %ith the ai" o! labelle"

    "ia#ram(1)"ia#ram(1)

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    3(c)(v) State the metho"s to control3(c)(v) State the metho"s to controlthe manipulate"the manipulate"

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    3(c)(v) State the metho"s to control3(c)(v) State the metho"s to controlthe respon"in# variablesthe respon"in# variables

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    3(c)(v) 'epeat the e/periment at3(c)(v) 'epeat the e/periment atleast times(1)least times(1)

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    3(c)(vi) Sho% ho% the "ata is3(c)(vi) Sho% ho% the "ata istabulate"tabulate"

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    3(c)(vii) State ho% the "ata is3(c)(vii) State ho% the "ata isanalyse"analyse"

    Plot a #raph o! acceleration a#ainst massPlot a #raph o! acceleration a#ainst mass

    or (Sketch o! the #raph is optional)or (Sketch o! the #raph is optional)

    m&k#

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    (a) State a suitable in!erence(1)(a) State a suitable in!erence(1)

    -he lou"ness o! the rin# "epen"s on the-he lou"ness o! the rin# "epen"s on thenumber o! turns o! %ire.&&number o! turns o! %ire.&&

    -he stren#th o! the ma#netic !iel"-he stren#th o! the ma#netic !iel""epen"s on the number o! the turns o!"epen"s on the number o! the turns o!%ire.%ire.

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    (b) State a relevant(b) State a relevanthypothesis(%ith "irection)(1)hypothesis(%ith "irection)(1)

    -he bi##er the number o! turn the-he bi##er the number o! turn thestron#er the stren#th o! ma#netic !iel".stron#er the stren#th o! ma#netic !iel".

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    (c)(i) State the aim o! the(c)(i) State the aim o! thee/periment(1)e/periment(1)

    -o investi#ate the relationship bet%een the -o investi#ate the relationship bet%een the

    number o! turns an" the stren#th o! thenumber o! turns an" the stren#th o! the

    ma#netic !iel".ma#netic !iel".

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    (c)(ii) State the manipulate"(c)(ii) State the manipulate"variable an" respon"in# variable(1)variable an" respon"in# variable(1)

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    (c)(iii) ,ist out the important(c)(iii) ,ist out the importantapparatus an" materials(1)apparatus an" materials(1)

    Po%er supplyPo%er supply so!t iron core pins so!t iron core pinsinsulate" copper %ires retort stan" %ithinsulate" copper %ires retort stan" %ithclamps.clamps.

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    (c)(iv) State a !unctional(c)(iv) State a !unctionalarran#ement o! the apparatusarran#ement o! the apparatus

    %ith labelle" "ia#ram(1)%ith labelle" "ia#ram(1)

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    1.1. -he apparatus is set up as sho%n in the-he apparatus is set up as sho%n in the"ia#ram."ia#ram.

    +.+. -he so!t iron core is coile" %ith-he so!t iron core is coile" %ith 1* turns1* turnso! copper %ire.o! copper %ire.

    3.3. Po%er supply is s%itche" onPo%er supply is s%itche" on..

    .. -he-he number o! pins attracte"number o! pins attracte" to theto theelectroma#net iselectroma#net is recor"e"recor"e"..

    ( c )(v) State the metho" o! controllin#( c )(v) State the metho" o! controllin#the manipulate" variable an" respon"in#the manipulate" variable an" respon"in#

    variable.variable.

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    (c)(v) 'epeat the e/periment at least (c)(v) 'epeat the e/periment at least timesv(1) timesv(1)

    -he e/periment is repeate" by usin#-he e/periment is repeate" by usin#

    12 +* +2 an" 3* turns12 +* +2 an" 3* turnso! coppero! copper%ire.%ire.

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    (vi) -abulate the "ata(1)(vi) -abulate the "ata(1)

    umber o! turns o!umber o! turns o!%ire%ire

    umber o! pinsumber o! pinsattracte"attracte"

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    (vii)State ho% "ata %ill be(vii)State ho% "ata %ill beanalyse"(1)analyse"(1)

    Plot a #raph o! chan#e in temperaturePlot a #raph o! chan#e in temperaturea#ainst current.a#ainst current.

    umber o!*

    umber o! pins