Physics · Oct / Nov 2022 · Paper 62 · Question 3
0625
As printed in the paper
The question as text
A student investigates the balancing of a metre rule. Fig. 3.1 shows the set-up. 0 100 90.0 cm S pivot bench metre rule Fig. 3.1
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3(a)[1]
S = 48.8 (cm)
3(b)[1]
perpendicular viewing (of scale)
3(c)[1]
1/N or N–1
3(d)[4]
axes correctly labelled with quantity and unit and correct way round
suitable scales with a axis starting from 30
all plots correct to ½ small square
good line judgement with thin continuous line
3(e)[3]
triangle method clearly shown on graph
(triangle) covering at least ½ of candidate’s line between the extreme plots
G = 40.0 ± 1.0 (i.e. any answer between 39.0 and 41.0 inclusive)
3(f)[1]
d = G and given to 2 or 3 significant figures
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