5.4.3 Physics Paper 3 (23213)
PART A
(d) (i) See graph (5 marks) Scale and axis
Plotting
Line
250—350
(ii) Slope = 2 ;
\d (42 18) X 10
(iii) K
d (1) = -4.2 >< 10* S‘cm’2; (3 marks)
= / 41:<10
= 963 S“cm’2;
1. PART B
(c) 1=0.1m
b=0.0l m
m=0.06 kg
0/W
(g) p = Lg“ (0.11 + 0.011)
= 2.02 >< 10*‘
(i) (I) (II) t=75s
T=7.5s 2 c
2. PART A
G = 1.42 >< 10
unit not required.
(b) V0 = 3.0V
PART B
(h) (i)
(ii) W
k
Vo1tage(V)
2.5 2.25 2.0 1.75 1.5 1.25
Time(s)
1.7 2.6 3.9 4.8 6.5 7.9
(i) see graph
(ii) t% =6.4 S
R I 6.4 X10“
0.693 >< 2200
= 4200 Q
LI = 47.4 cm
= 0.68 N
_ 0.474 >< 0.05 >< 10
I ‘ 0.35
(I) L2=28 cm
_ 0.28 X 0.05 ><10
1- 0 35
(11) w
= 0.4 N
T1 = 26°C
Accept (18 – 32°C)
(i) L3 = 28.5 cm
(ii) T2 = 83°C
Accept (60 – 95°C)
(iii) W3 = 0.285 X 10
= 0.41
K = (0.68 — 0.4)— (0.68— 0.41)
(0.68 — 0.41) (83— 26)
= Milli
0.27 >< 57
= 6.5 >< l0“‘K”
