Page 579 - MODUL SPEKTRUM FIZIK SPM

20.0 2.8 0.14 7.14
25.0 3.2 0.16 6.25 7
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

5

✔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 f and h
f decreases linearly with h 1

578