SKEMA FIZIK KERTAS 3PEPERIKSAAN PERCUBAAN SPM 2009
SECTION A
Question 1
Mark Section Answer1 1 (a)(i) 1 State the manipulated variable correctly
weight/ W //pressure, P
1 (ii)
1 State the responding variable correctly Volume, V
1 (iii)
1 State the constant variable correctly Mass of air // temperature
7 (b) &(c)
7 Tabulate the results correctly
1 Quantities of W, P, V and , shown in the table
2 State the units of W, P, V and correctly.
3 The values of P, V and are consistent
4& 5 All 5 values of V are correct -give If 3 /4 values are correct give one If < 3 , 0
6 & 7 All 5 values of are correct with 3 decimal places- give two
If 3 /4 values are correct give one If < 3 , 0
Full marks : 7
1
W/N P/Ncm-2 V/cm3 1/V cm-3
5.0 10.5 50.0 0.02010.0 11.0 47.5 0.02115.0 11.5 45.0 0.02220.0 12.0 42.5 0.02425.0 12.5 40.0 0.02530.0 13.0 37.5 0.027
5 (c)5 Draw a complete graph of P againts
Tick based on the following aspects;.
1 P on the –y axis and on the –x axis give
2 State the units of the variables each axis give
3 Both axes are marked with uiniform scale And not odd scale ( 1,2, 4,5,10) give
4 All five points are plotted corectly (+/- 1 mm/ ½ square
box) give ( Only three points plotted correcly , givei )
5 Best fitted straight line is drawn Beri (berdasarkan keseimbangan bilangan titik di atas dan di bawah garisan i.i sama banyak, /2:1 /3 :2. T . Titik paling jauh dari garisan tidak lebih 0.5 cm)
6 Show the minimum size of graph at least 5(vertical) x 4(horizontal) square box (2 cm x 2 cm)
(Dikira dari asalan hingga titik akhir jika mula dari asalan. Jika tidak mula dari 0 , tengok titik pertama dan terakhir) Beri
score :
Number of Score7 5
5-6 43-4 32 21 1
Total marks : 5 marks
1 (d) 1 State the correct relationship between v and m
P is directly propotional to // P inversely propotional to V
Tekanan berkadar terus dengan //
Tekanan gas berkadar songsang dengan isipadu gas V
16 marks
2
Questin 2
Section Markah Marking scheme
2 (a) 11
1
Straight line from I = 0.40 A
Straight line to Y axis at V = 0.74
0.72 V (with unit) (b) 1 Increase
(c) 1 Increase
(d)(i)
(ii)
1
1
1
1
1
1
Draw a sufficient large triangle (y – axis >= 4 petak(2 cm X 2 cm, x-axis >= 4 petak 2 cm X 2 cm)* Correct substitution(follow candidate’s triangle) * bacaan +- 1 mm (1/2 drp kotak kecil pd graf)* State the value /answer with 0.68 Ω
( V = 0.72V and I =0.68 A)
= .0.72 + 0.4 X 0.68
= 0.9921 V ( 2- 4 decimal place)
(e) 1 eye position must be perpendicular to scale of ammeter/voltmeter./
The connection must tied/repeat the experiment and find the average
total 12
3
SECTION BQuestion 3
Section Mark Answer3 (a) 1 State a suitable inference
Immerse distance in the water influenced by weight of the load./volume of water displaced influenced by weight of an object.
3 (b) 1 State relevant hypothesis (with direction) If weight an object increase, the immerse distance/volume of water
displaced increase.3(c) Describe a complete and suitable experimental framework (10 marks)
3 c (i) 1 State the aim of the experiment(M1) To investigate the relationship between weight and the immerse distance/volume of water displaced s .
3c (ii)1
1
1
State the manipulated variable and the responding variable(M2 ) Manipulated variable : weightResponding variable : immerse distance/volume
State the constant variable ( M3) Constant variable : density/surface area.
3 c(iii)
1
List out the important apparatus and materials (M4)
Test tube,lead shot , measuring cylinder/ruler ,water and balance
3 c(iv) 1 State a functionable arrangement of the apparatus (M5)
3 c(v) 1 State the method of controlling the manipulated variable (M6)
Measure the weight of lead shot before put in the test tube. The weigt is 10 g.
3 c(vi)
4
1 State the method of measuring the responding variable (M7)measure the immerse distance of the test tube/ record the reading /volume of measuring cylinder
3c(vii) 1 Reapeat the experiment at least 4 times with different values ( M8 ) repeat the experiment 4 times by add the number of lead shot into the test tube .
3c(viii) 1 Tabulate the data ( M9 ) Weight/g Immerse distance/cm
//volume/cm3
1020304050
3c(ix)1
State how data will be analysed (sketch graph/statement) (M10)Plot graph immerse distance/volume against weight
TOTAL 12
Question 4 Section Mark Answer4 (a) 1 State a suitable inference
Distance between two consecutive fringes influenced by wavelength
4 (b) 1 State relevant hypothesis (with direction) If the wavelength increase, the distance between twoe consecutive fringes
increase
4(c) Describe a complete and suitable experimental framework (10 marks)
4 c (i) 1 State the aim of the experiment(M1) To investigate the relationship between wavelength and the distance between two consecutive node lines .
4c (ii)1
1
1
State the manipulated variable and the responding variable(M2) Manipulated variable : wavelengthResponding variable : distance between two consecutive node lines
State the constant variable ( M3) Constant variable : Split separation/distance observation line /depth of water.
4 c(iii)
1
List out the important apparatus and materials (M4)
Meter ruler, water, white paper and stroboscope.
4 c(iv) 1 State a functionable arrangement of the apparatus (M5)
5
4 c(v) 1 State the method of controlling the manipulated variable (M6) Measure distance between two wavefront (wavelength) of water before strike metal bar using meter ruler. The distance 0.5 cm
4 c(vi)1 State the method of measuring the responding variable (M7)
- The waves are freeze by a mechanical stroboscope and sketched on the screen. measure the distance two consecutive node lines
4c(vii) 1 Reapeat the experiment at least 4 times with different values (M8) repeat the previous steps by increasing the wavelength to 1.0 cm,1.2 cm 1.4 cm and 1.6 cm .
4c(viii) 1 Tabulate the data (M9)Wavelength/cm Distance between two
consecutive node lines/cm
0.51.01.21.41.6
4c(ix) 1 State how data will be analysed (sketch graph/statement) (M10)Plot graph distance between two consecutive line against wavelength .
TOTAL 12
6
Double slit
water
Metal bar
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