Physics · Oct / Nov 2023 · Paper 62 · Question 1
0625
As printed in the paper
The question as text
A student investigates the period of a pendulum. Fig. 1.1 shows the set-up. clamp bob d Fig. 1.1
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
1(a)(i)[1]
t = 14.21
1(a)(ii)[1]
T = 1.42(1)
1(a)(iii)[1]
T2 = 2.02
1(a)(iv)[2]
cm, s, s
s2
1(b)[2]
calculate T2 / d (or reciprocal of this)
judge if (close enough to be considered) equal
OR
compare the T2 and d values
judge if the second value is (close enough to) double the first value
OR
plot a graph of T2 against d
(if directly proportional) it will be a straight line passing through the origin
1(c)[1]
at least three values between 10 (cm) and 100 (cm)
1(d)[2]
diagram to show (correct use of) a horizontal aid (e.g., a set-square / ruler)
matching wording
OR
measure the diameter of the bob with two blocks and a ruler / micrometer
divide by 2 to find the radius and add this on to the length of the string
OR
measure to the top and the bottom of the bob
find the average
1(e)[1]
reduces the effect of (reaction) timing errors / reduces the percentage error / uncertainty / the (reaction time) error is spread over 20 oscillations
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