9702 March 2018 Paper 12 Worked Solutions | A-Level Physics
1 B 11 A 21 D 31 D
2 B 12 A 22 A 32 C
3 D 13 C 23 C 33 D
4 B 14 C 24 C 34 A
5 B 15 C 25 B 35 A
6 B 16 C 26 D 36 C
7 B 17 A 27 C 37 D
8 A 18 B 28
D 38 C
9 C 19 A 29 B 39 D
10 C 20 C 30 D 40
BNotes:
3 - Ans: D.
Two forces of equal magnitude are represented by two coplanar vectors. One is directed towards the east and the other is directed towards the north.
4 - Ans: B.
The density of paper is 800 kg m-3. A typical sheet of paper has a width of 210 mm and a length of 300 mm.
5 - Ans: B.
A person calculates the potential difference across a wire by using the measurements shown.
10 - Ans: C.
Steel pellets, each with a mass of 0.60 g, fall vertically onto a horizontal plate at a rate of 100 pellets per minute.
17 - Ans: A.
A small diesel engine uses a volume of 1.5 × 104 cm3 of fuel per hour to produce a useful power output of 40 kW.
21 - Ans: D. See solution 1014 at 211
A wave pulse moves along a stretched rope in the direction shown. Which diagram correctly shows the variation with time t of the displacement s of the particle P in the rope?
22 - Ans: A.
A wave has period T, wavelength λ and amplitude A. The wave is shown on a graph of displacement x against distance d.
37 - Ans: D.
A cell of electromotive force (e.m.f.) E and negligible internal resistance is connected into a circuit, as shown.
June 2007 Paper 4 Ques 6 part b(ii)
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Xcellent explanation which is maximum helpfull forevery one .With thankx .m.m.alam
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