Page 569 - MODUL SPEKTRUM FIZIK SPM

(SET 3)

Question Answer Scheme Marks Allocated
(a)(i) MV: Mass of plasticine// m 1
(a)(ii) RV: Period of oscillation// T 1
(a)(iii) CV: Length of jigsaw blade// stiffness of jigsaw 1
blade
(b)(i) Readings of t20
Diagram 1.2: 10.8
Diagram 1.3: 15.4
Diagram 1.4: 18.8
Diagram 1.5: 21.8 2
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 1
Diagram 1.7: 1.33 s

✔1 : All readings correct
(Accept ecf)
(b)(iii) Readings of T 2
2
Diagram 1.2: 0.29 s
Diagram 1.3: 0.59 s 2
2
Diagram 1.4: 0.88 s
2
Diagram 1.5: 1.19 s
Diagram 1.6: 1.49 s 1
2
2
Diagram 1.7: 1.77 s

✔1 : All readings correct
(Accept ecf)
(c) Tabulation for m, t20, T and T
2

2
2
m (g) t20 (s) T (s) T (s )
50 10.8 0.54 0.29
100 15.4 0.77 0.59
150 18.8 0.94 0.88
200 21.8 1.09 1.19 3
250 24.4 1.22 1.49
300 26.6 1.33 1.77

✔1 : All headings & units for m, t20, T and T 2
correct
✔2 : All readings of T consistent to 2 d.p
2
✔3 : All readings of T consistent to 2 d.p
568