Modul_K3_Fizik_SPM_2020_JPN_Sabah_SECTION_A_QUESTION_1_ANSWERS

SECTION A
(Question 1)

2

SKEMA SOALAN 1

(SET 1)

Question Answer Scheme Marks Allocated
1
(a)(i) MV: Mass// m 1
1
(a)(ii) RV: Diameter// d
2
(a)(iii) CV: Height// Density of metal cylinder
5
(b)(i) Readings of d

Diagram 1.2: 3.64 mm

Diagram 1.3: 5.15 mm

Diagram 1.4: 6.31 mm

Diagram 1.5: 7.29 mm

Diagram 1.6: 8.15 mm

(b)(ii) ✔1 : 3 readings correct
✔2 : All readings correct
Tabulation for m, d and d2

m (g) d (mm) d2 (mm2)

5 3.64 13.25
10 5.15 26.52
15 6.31 39.82
20 7.29 53.14
25 8.15 66.42

✔1 : All headings for m, d and d2 correct
✔2 : All units for m, d and d2 correct
✔3 : 3 readings of d2 correct
✔4 : All readings of d2 correct (Accept ecf)

✔5 : All readings of d2 consistent to 2 d.p
(c) Graph of d2 against m

5

3

✔1 : Labels on both axes correct
✔2 : Units on both axes correct
✔3 : Uniform scale on both axes
✔4 : 3-4 points plotted correctly
✔5 : All 5 points plotted correctly
✔6 : Best fit line is drawn
✔7 : Size of graph at least 5 x 4 (10 cm x 8 cm)

(Counted from origin until the furthest point)

5 marks - 7✔
4 marks - 5✔ - 6✔
3 marks - 3✔ - 4✔
2 marks - 2✔
1 mark - 1✔
(d) Relationship between d2 and m
d2 is directly proportional to m

(Accept “increases linearly” based on student’s 1
graph)
Marks Allocated
(SET 2) 1
1
Question Answer Scheme 1
1
(a)(i) MV: Mass of load// m
2
(a)(ii) RV: angle of deflection// q// b
1
(a)(iii) CV: Length of rod// length of plumb line 4

(b)(i) Readings of b
Diagram 1.2: 71o

Diagram 1.3: 55o

Diagram 1.4: 44o

Diagram 1.5: 36o

Diagram 1.6: 30o

(b)(ii) ✔1 : All readings of b correct

Readings of q
Diagram 1.2: 19o
Diagram 1.3: 35o
Diagram 1.4: 46o
Diagram 1.5: 54o
Diagram 1.6: 60o

✔1 : 3 readings correct

✔2 : All readings correct

(Accept ecf)

(b)(iii) Readings of tan q

Diagram 1.2: 0.344 Diagram 1.5: 1.376

Diagram 1.3: 0.700 Diagram 1.6: 1.732

Diagram 1.4: 1.036

✔1 : All readings correct (Accept ecf)

(b)(iv) Tabulation for m, β, θ and tan θ
(c)
m (g) β (o) θ (o) tan θ

5.0 71 19 0.344
0.700
10.0 55 35 1.036
1.376
15.0 44 46 1.732 3

20.0 36 54

25.0 30 60

✔1 : All headings for m, β, θ and tan θ correct
✔2 : All units for m, β, θ and tan θ correct
✔3 : All readings of tan θ consistent to 3 d.p
Graph of tan θ against m

✔1 : Labels on both axes correct 5
✔2 : Units on both axes correct
✔3 : Uniform scale on both axes 1
✔4 : 3-4 points plotted correctly 5
✔5 : All 5 points plotted correctly
✔6 : Best fit line is drawn
✔7 : Size of graph at least 5 x 4 (10 cm x 8 cm)

(Counted from origin until the furthest point)

5 marks - 7✔
4 marks - 5✔ - 6✔
3 marks - 3✔ - 4✔
2 marks - 2✔
1 mark - 1✔
(d) Relationship between tan θ and m
tan θ is directly proportional to m

(Accept “increases linearly” based on student’s graph)

(SET 3)

Question Answer Scheme Marks Allocated
1
(a)(i) MV: Mass of plasticine// m 1
1
(a)(ii) RV: Period of oscillation// T 2

(a)(iii) CV: Length of jigsaw blade// stiffness of jigsaw 1

blade 1

(b)(i) Readings of t20 3
Diagram 1.2: 10.8
6
Diagram 1.3: 15.4

Diagram 1.4: 18.8

Diagram 1.5: 21.8

Diagram 1.6: 24.4

Diagram 1.7: 26.6

✔1 : 4 readings correct

✔2 : All readings correct

(b)(ii) Readings of T

Diagram 1.2: 0.54 s

Diagram 1.3: 0.77 s

Diagram 1.4: 0.94 s

Diagram 1.5: 1.09 s

Diagram 1.6: 1.22 s

Diagram 1.7: 1.33 s

(b)(iii) ✔1 : All readings correct

(Accept ecf)

Readings of T2
Diagram 1.2: 0.29 s2
Diagram 1.3: 0.59 s2
Diagram 1.4: 0.88 s2
Diagram 1.5: 1.19 s2
Diagram 1.6: 1.49 s2
Diagram 1.7: 1.77 s2

✔1 : All readings correct
(Accept ecf)
(c) Tabulation for m, t20, T and T2

m (g) t20 (s) T (s) T2 (s2)
50
100 10.8 0.54 0.29
150 15.4
200 18.8 0.77 0.59
250 21.8
300 24.4 0.94 0.88
26.6
1.09 1.19

1.22 1.49

1.33 1.77

✔1 : All headings & units for m, t20, T and T2
correct
✔2 : All readings of T consistent to 2 d.p
✔3 : All readings of T2 consistent to 2 d.p

(d) Graph of T2 against m

✔1 : Labels on both axes correct 5
✔2 : Units on both axes correct 1
✔3 : Uniform scale on both axes
✔4 : 3-4 points plotted correctly
✔5 : All 5 points plotted correctly
✔6 : Best fit line is drawn
✔7 : Size of graph at least 5 x 4 (10 cm x 8 cm)

(Counted from origin until the furthest point)

5 marks - 7✔
4 marks - 5✔ - 6✔
3 marks - 3✔ - 4✔
2 marks - 2✔
1 mark - 1✔

(e) Relationship between T2 and m
T2 is directly proportional to m

(Accept “increases linearly” based on student’s
graph)

7

(SET 4)

Question Answer Scheme Marks Allocated
1
(a)(i) MV: Height// h 1
1
(a)(ii) RV: Final velocity// v// Length of 2 ticks ticker 1

tape// s 6

(a)(iii) CV: Mass of trolley// time taken for 2 ticks 5

(b)(i) t = 0.04 s

(b)(ii) Tabulation for h, s and v

h (cm) s (cm) v (cm s-1) v (m s-1)

10.0 3.0 75.0 0.75
15.0 4.5 112.5 1.13
20.0 6.3 157.5 1.58
25.0 7.5 187.5 1.88
30.0 8.8 220.0 2.20

✔1 : All headings for h, s and v correct
✔2 : All units for h, s and v correct
✔3 : 3 readings of s correct
✔4 : All readings of v correct (Accept ecf)
✔5 : All readings of s consistent to 1 d.p & ✔6 : All
readings of v consistent to 1 d.p (in cm s-1) or 2 d.p (in
m s-1)
(c) Graph of v against h
✔1 : Labels on both axes correct
✔2 : Units on both axes correct
✔3 : Uniform scale on both axes
✔4 : 3-4 points plotted correctly
✔5 : All 5 points plotted correctly
✔6 : Best fit line is drawn
✔7 : Size of graph at least 5 x 4 (10 cm x 8 cm)

(Counted from origin until the furthest point)

5 marks - 7✔
4 marks - 5✔ - 6✔
3 marks - 3✔ - 4✔
2 marks - 2✔
1 mark - 1✔

8

(d) Relationship between v and h
v is directly proportional to h

(Accept “increases linearly” based on student’s 1
graph)
Marks Allocated
(SET 5) 1
1
Question Answer Scheme 1
1
(a)(i) MV: Depth of the rod immersed// d
2
(a)(ii) RV: Reading of spring balance// Buoyant force// F
1
(a)(iii) CV: Cross-sectional area of rod// Density of

liquid// Gravitational acceleration, g

(b)(i) Wo = 1.0 N

(b)(ii) Readings of W

Diagram 1.3: 0.88 N

Diagram 1.4: 0.76 N

Diagram 1.5: 0.64 N

Diagram 1.6: 0.52 N

Diagram 1.7: 0.40 N

(b)(iii) ✔1 : 3 readings correct
✔2 : All readings correct
Readings of F
Diagram 1.3: 0.12 N
Diagram 1.4: 0.24 N
Diagram 1.5: 0.36 N
Diagram 1.6: 0.48 N
Diagram 1.7: 0.60 N
✔1 : All readings correct (Accept ecf)

9

(c) Tabulation for m, t20, T and T2

d (cm) W (N) F (N)

5.00 0.88 0.12

10.0 0.76 0.24

15.0 0.64 0.36

20.0 0.52 0.48 3

25.0 0.40 0.60

✔1 : All headings for d, W and F correct
✔2 : All units for d, W and F correct
✔3 : All readings of W and F consistent to

2 d.p
(d) Graph of F against d

✔1 : Labels on both axes correct 5
✔2 : Units on both axes correct
✔3 : Uniform scale on both axes 1
✔4 : 3-4 points plotted correctly 10
✔5 : All 5 points plotted correctly
✔6 : Best fit line is drawn
✔7 : Size of graph at least 5 x 4 (10 cm x 8 cm)

(Counted from origin until the furthest point)

5 marks - 7✔
4 marks - 5✔ - 6✔
3 marks - 3✔ - 4✔
2 marks - 2✔
1 mark - 1✔
(e) Relationship between F and d
F is directly proportional to d

(Accept “increases linearly” based on student’s
graph)

(SET 6)

Question Answer Scheme Marks Allocated
1
(a)(i) MV: Time of heating// t 1
1
(a)(ii) RV: Temperature// q// Temperature increase// Dq 1

(a)(iii) CV: Power of immersion heater 1

(b) qo = 25 oC 5

(c)(i) Readings of q

Diagram 1.3: 32 oC

Diagram 1.4: 39 oC

Diagram 1.5: 46 oC

Diagram 1.6: 53 oC

Diagram 1.7: 60 oC

(c)(ii) ✔1 : All readings correct
Tabulation for t, q and Dq

t (s) q (oC) Dq (oC)

20 32 7

40 39 14

60 46 21

80 53 28

100 60 35

✔1 : All headings for t, q and Dq correct
✔2 : All units for t, q and Dq correct
✔3 : 3 readings of Dq correct
✔4 : All readings of Dq correct (Accept ecf)
✔5 : All readings of q and Dq don’t have

decimal point.
(d) Graph of Dq against t

5

11

✔1 : Labels on both axes correct
✔2 : Units on both axes correct
✔3 : Uniform scale on both axes
✔4 : 3-4 points plotted correctly
✔5 : All 5 points plotted correctly
✔6 : Best fit line is drawn
✔7 : Size of graph at least 5 x 4 (10 cm x 8 cm)

(Counted from origin until the furthest point)

5 marks - 7✔
4 marks - 5✔ - 6✔
3 marks - 3✔ - 4✔
2 marks - 2✔
1 mark - 1✔

(e) Relationship between Dq and t
Dq is directly proportional to t

(Accept “increases linearly” based on student’s 1
graph)
Marks Allocated
(SET 7) 1
1
Question Answer Scheme 1
2
(a)(i) MV: Object distance// u
5
(a)(ii) RV: Image distance// v
12
(a)(iii) CV: Power of convex lens

(b)(i) Readings of v

Diagram 1.2: 13.3 cm

Diagram 1.3: 8.6 cm

Diagram 1.4: 7.1 cm

Diagram 1.5: 6.7 cm

Diagram 1.6: 6.4 cm

Diagram 1.7: 6.1 cm

✔1 : 4 readings correct

✔2 : All readings correct

(b)(ii) Tabulation for u, v, and

$ $
u (cm) v (cm) % (cm-1) & (cm-1)

8.0 13.3 0.125 0.075

12.0 8.6 0.083 0.116

16.0 7.1 0.063 0.141

20.0 6.7 0.050 0.149

24.0 6.4 0.042 0.156

28.0 6.1 0.036 0.164

✔1 : All headings for u, v, and correct


✔2 : All units for u, v, and correct


✔3 : All readings of correct


✔4 : All readings of correct (Accept ecf)


✔5 : All readings of and consistent to 3 d.p


(c) Graph of against


✔1 : Labels on both axes correct
✔2 : Units on both axes correct
✔3 : Uniform scale on both axes
✔4 : 3-4 points plotted correctly
✔5 : All 5 points plotted correctly
✔6 : Best fit line is drawn
✔7 : Size of graph at least 5 x 4 (10 cm x 8 cm)

(Counted from origin until the furthest point)

5 marks - 7✔
4 marks - 5✔ - 6✔
3 marks - 3✔ - 4✔
2 marks - 2✔
1 mark - 1✔

5

(e) Relationship between and

$ $ 1
& decreases linearly with % 13

(SET 8)

Question Answer Scheme Marks Allocated
1
(a)(i) MV: Wavelength// l 1
1
(a)(ii) RV: Distance between two consecutive bright
2
fringes// x// d 2

(a)(iii) CV: Distance of separation between the double 3

slits// Distance between the double slits and the

screen

(b)(i), (ii) Readings of d and x

Diagram 1.2 d1 = 7.9 cm

x1 = 0.79 cm

Diagram 1.3 d2 = 6.5 cm

x2 = 0.65 cm

Diagram 1.4 d3 = 5.6 cm
x3 = 0.56 cm

Diagram 1.5 d4 = 4.4 cm

x4 = 0.44 cm

Diagram 1.6 d5 = 3.3 cm

x5 = 0.33 cm

(Note: Measurements are based on the printed

version & may differ)

✔1 : 3 readings of d correct
✔2 : All readings of d correct

✔1 : 3 readings of x correct
✔2 : All readings of x correct (Accept ecf)
(c) Tabulation for l, d and x

l (nm) d (cm) x (cm)
317
417 3.3 0.33
542 4.4 0.44
625 5.6 0.56
750 6.5 0.65
7.9 0.79

✔1 : All headings for l, d and x correct
✔2 : All units for l, d and x correct
✔3 : All readings of x consistent to 2 d.p

14

(d) Graph of x against l

✔1 : Labels on both axes correct 5
✔2 : Units on both axes correct
✔3 : Uniform scale on both axes 1
✔4 : 3-4 points plotted correctly Marks Allocated
✔5 : All 5 points plotted correctly
✔6 : Best fit line is drawn 1
✔7 : Size of graph at least 5 x 4 (10 cm x 8 cm) 1
1
(Counted from origin until the furthest point)
15
5 marks - 7✔
4 marks - 5✔ - 6✔
3 marks - 3✔ - 4✔
2 marks - 2✔
1 mark - 1✔

(e) Relationship between x and l

x is directly proportional to l

(Accept “increases linearly” based on student’s
graph)

(SET 9)

Question Answer Scheme

(a)(i) MV: Height of air inside the tube// h

(a)(ii) RV: Length of one wave// d// period// T//

frequency// f

(a)(iii) CV: Amplitude of sound

(b) Tabulation for h, d, T and f

h (cm) d (cm) T (s) f (Hz)
10.0 2.4 0.12 8.33
15.0 2.6 0.13 7.69

20.0 2.8 0.14 7.14 7
25.0 3.2 0.16 6.25
30.0 3.5 0.18 5.56

✔1 : All headings for h, d, T and f correct
✔2 : All units for h, d, T and f correct
✔3 : 3 readings of d correct
✔4 : All readings of d correct
✔5 : All readings of T correct (Accept ecf)
✔6 : All readings of f correct (Accept ecf)
✔7 : All readings of d, T and f consistent to 1 d.p
(d), 2 d.p (T) and 2 d.p (f)
(c) Graph of f against h

✔1 : Labels on both axes correct 5
✔2 : Units on both axes correct
✔3 : Uniform scale on both axes 1
✔4 : 3-4 points plotted correctly 16
✔5 : All 5 points plotted correctly
✔6 : Best fit line is drawn
✔7 : Size of graph at least 5 x 4 (10 cm x 8 cm)

(Counted from origin until the furthest point)

5 marks - 7✔
4 marks - 5✔ - 6✔
3 marks - 3✔ - 4✔
2 marks - 2✔
1 mark - 1✔

(d) Relationship between f and h
f decreases linearly with h

(SET 10)

Question Answer Scheme Marks Allocated
1
(a)(i) MV: Temperature// q 1
1
(a)(ii) RV: Current// I 2

(a)(iii) CV: Voltage 4

(b)(i) Readings of I 5

Diagram 1.2: 0.28 A

Diagram 1.3: 0.18 A

Diagram 1.4: 0.12 A

Diagram 1.5: 0.10 A

Diagram 1.6: 0.08 A

✔1 : 3 readings correct
✔2 : All readings correct
(b) Tabulation for q, I and 1/I

q (oC) I (A) 1/I (A-1)
10
20 0.28 3.57
30 0.18 5.56
40 0.12 8.33
50 0.10 10.00
0.08 12.50

✔1 : All headings for q, I and 1/I correct
✔2 : All units for q, I and 1/I correct
✔3 : All readings of 1/I correct (Accept ecf)
✔4 : All readings of 1/I consistent to 2 d.p
(c) Graph of 1/I against q

✔1 : Labels on both axes correct
✔2 : Units on both axes correct
✔3 : Uniform scale on both axes
✔4 : 3-4 points plotted correctly
✔5 : All 5 points plotted correctly
✔6 : Best fit line is drawn
✔7 : Size of graph at least 5 x 4 (10 cm x 8 cm)

(Counted from origin until the furthest point)

5 marks - 7✔
4 marks - 5✔ - 6✔
3 marks - 3✔ - 4✔
2 marks - 2✔
1 mark - 1✔

17

(d) Relationship between 1/I and q

1/I increases linearly with q 1
(e) Precaution 1

The position of eyes must be perpendicular to the Marks Allocated
scale of the ammeter to avoid parallax error. 1
1
(SET 11) 1
1
Question Answer Scheme
2
(a)(i) MV: Number of turns// N 2

(a)(ii) RV: Induced current// I 18

(a)(iii) CV: Height of bar magnet released

(b)(i) Zero error, x = -1 µA

(b)(ii), (iii) Readings of Ii and I

Diagram 1.3 Ii = 16 µA

I = 17 µA

Diagram 1.4 Ii = 24 µA

I = 25 µA

Diagram 1.5 Ii = 32 µA

I = 33 µA

Diagram 1.6 Ii = 40 µA

I = 41 µA

Diagram 1.7 Ii = 48 µA

I = 49 µA

✔1 : 3 readings of Ii correct
✔2 : All readings of Ii correct

✔1 : 3 readings of I correct
✔2 : All readings of I correct (Accept ecf)

(c) Tabulation for N, Ii and I

N Ii (µA) I (µA)

40 16 17

60 24 25

80 32 33

100 40 41

120 48 49

✔1 : All headings and units for N, Ii and I correct 2
✔2 : All readings of Ii and I don’t have d.p
(d) Graph of I against N

✔1 : Labels on both axes correct 5
✔2 : Units on both axes correct
✔3 : Uniform scale on both axes 1
✔4 : 3-4 points plotted correctly 19
✔5 : All 5 points plotted correctly
✔6 : Best fit line is drawn
✔7 : Size of graph at least 5 x 4 (10 cm x 8 cm)

(Counted from origin until the furthest point)

5 marks - 7✔
4 marks - 5✔ - 6✔
3 marks - 3✔ - 4✔
2 marks - 2✔
1 mark - 1✔
(e) Relationship between I and N

I is directly proportional to N

(Accept “increases linearly” based on student’s
graph)

(SET 12)

Question Answer Scheme Marks Allocated
1
(a)(i) MV: Base current// Arus tapak// Ib 1
1
(a)(ii) RV: Collector current// Arus pengumpul// Ic
2
(a)(iii) CV: Resistance// Rintangan// R// Base voltage// 2

Voltan tapak// Vb 3
5
(b)(i), (ii) Readings of Ib and Ic

Diagram 1.2 Ib = 0.4 mA
Ic = 40.0 mA

Diagram 1.3 Ib = 1.2 mA

Ic = 120.0 mA

Diagram 1.4 Ib = 2.1 mA

Ic = 210.0 mA

Diagram 1.5 Ib = 3.0 mA

Ic = 300.0 mA

Diagram 1.6 Ib = 3.8 mA

Ic = 380.0 mA

✔1 : 3 readings of Ib correct
✔2 : All readings of Ib correct

(b)(iii) ✔1 : 3 readings of Ic correct
✔2 : All readings of Ic correct (Accept ecf)
Tabulation for Ib and Ic

Ib (mA) Ic (mA)
0.4 40.0// 40
1.2 120.0// 120
2.1 210.0// 210
3.0 300.0// 300
3.8 380.0// 380

✔1 : All headings for Ib and Ic correct
✔2 : All units for Ib and Ic correct
✔3 : All readings of Ib and Ic consistent to 1 d.p
(c) Graph of Ic against Ib

20

✔1 : Labels on both axes correct 1
✔2 : Units on both axes correct
✔3 : Uniform scale on both axes
✔4 : 3-4 points plotted correctly
✔5 : All 5 points plotted correctly
✔6 : Best fit line is drawn
✔7 : Size of graph at least 5 x 4 (10 cm x 8 cm)

(Counted from origin until the furthest point)

5 marks - 7✔
4 marks - 5✔ - 6✔
3 marks - 3✔ - 4✔
2 marks - 2✔
1 mark - 1✔
(d) Relationship between Ic and Ib

Ic is directly proportional to Ib

(Accept “increases linearly” based on student’s
graph)

21

22