9702 June 2015 Paper 12 Worked Solutions | A-Level Physics
1 C 11 D 21 A 31 C
2 D 12 C 22 B 32 A
3 C 13 A 23 C 33 A
4 C 14 B 24 C 34 D
5 D 15 C 25 B 35 A
6 C 16 D 26 C 36 B
7 D 17 D 27 B 37 A
8 D 18 D 28 B 38 A
9 C 19 A 29 B 39 C
10 C 20 B 30 B 40 C
Notes for specific questions:
4 - Ans: C.
5 - Ans: D. See solution 972 at
A power supply of electromotive force (e.m.f.)50 V and negligible internal resistance is connected in series with resistors of resistance 100 Ω and 5 Ω, as shown.
6 - Ans: C. See solution 1068 at
A single sheet of aluminium foil is folded twice to produce a stack of four sheets. The total thickness of the stack of sheets is measured to be (0.80 ± 0.02) mm.
9 - Ans: C.
10 - Ans: C.
A firework rocket is fired vertically upwards. The fuel burns and produces a constant upwards force on the rocket.
12 - Ans: C.
14 - Ans: B. See solution 974 at
A ladder is positioned on icy (frictionless) ground and is leant against a rough wall. At the instant of release it begins to slide.
15 - Ans: C.
A uniform solid block has weight 500 N, width 0.4 m and height 0.6 m. The block rests on the edge of a step of depth 0.8 m, as shown.
16 - Ans: D. See solution 977 at
The diagram shows a hydroelectric power station. The reservoir is linked to the turbines by a pipe of uniform cross-sectional area.
20 - Ans: B.
The maximum pressure that granite rock can withstand is 2.0 × 108 N m-2. Above this pressure, the rock begins to flow like a liquid.
23 - Ans: C. See solution 1069 at
The diagram represents a steel tube with wall thickness w which is small in comparison with the diameter of the tube.
24 - Ans: C. See solution 1063 at
25 - Ans: B.
What is a possible distance between two points on the wave that have a phase difference of 60°?
27 - Ans: B.
Source S emits microwaves with a constant amplitude. The microwaves hit a metal screen P and are reflected.
30 - Ans: B.
A charged oil drop of mass m, with n excess electrons, is held stationary in the uniform electric field between two horizontal plates separated by a distance d.
35 - Ans: A. See solution 1111 at
Each of Kirchhoff's two laws presumes that some quantity is conserved.
36 - Ans: B. See solution 1118 at
A potential divider circuit consists of fixed resistors of resistance 2.0 Ω and 4.0 Ω connected in series with a 3.0 Ω resistor fitted with a sliding contact.
39 - Ans: C.
A radioactive substance contains a number of identical nuclei that emit β-particles. Which property of these nuclei remains unaltered by the emission?
Can I get MCQ no 9 Explanation please?
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Delete4 please
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Deletecan you explain number 4 plz?
ReplyDeleteNumber 15 plzz ..really need it
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DeleteCan i please get explanation for mcq 10
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DeleteAssalamualaikum , ques 27 . Syukran .
ReplyDeleteWslm. Added q27
Deletecan i pls have the answer for the 30 and 25 question.
ReplyDeletethank you
solution for q30 added
DeleteCan I plz get the answer for question 37
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DeleteQ 25 pls
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DeleteCould you kindly add Q7
ReplyDeleteThank you
Apologies, Q7 is not needed by me anymore, I accidentally had the wrong paper open
ReplyDeleteCan I get solution for 2016
ReplyDeletewhich paper?
Deletea list of papers is available at
http://physics-ref.blogspot.com/2018/09/physics-9702-past-exam-paper-worked.html
Q 20 pls
ReplyDeleteAslm quest 32 and 39 pls, jazakallah khair
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