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YOUR PARTICIPATION FOR THE GROWTH OF PHYSICS REFERENCE BLOG

Monday, October 15, 2018

9702 March 2017 Paper 12 Worked Solutions | A-Level Physics

  • 9702 March 2017 Paper 12 Worked Solutions | A-Level Physics






1 C                  11 B                21 A                31 D
2 B                  12 B                22 C                32 B
3 D                  13 C                23 A                33 C
4 C                  14 C                24 C                34 A
5 D                  15 B                25 D                35 C
6 A                  16 A                26 A                36 D
7 B                  17 A                27 C                37 B
8 A                  18 C                28 C                38 C
9 D                  19 C                29 D                39 B
10 B                20 B                30 A                40 C





Notes:

4 - Ans: C.
A student is investigating an electrical signal using a cathode-ray oscilloscope (c.r.o).


10 - Ans: B.
A stationary firework explodes into three pieces. The masses and the velocities of the three pieces immediately after the explosion are shown.


13 - Ans: C.
The van is 2.50 m long with the wheels at a distance of 0.600 m from the front of the van and 0.400 m from the rear of the van.



14 - Ans: C.
The object is held in equilibrium by the forces F1 and F2. The object weighs 10 N. There is negligible friction between the rods and cords.



19 - Ans: C.
A car of mass 1400 kg is travelling on a straight, horizontal road at a constant speed of 25 m s-1. The output power from the car’s engine is 30 kW.

 

28 - Ans: C.
A monochromatic plane wave of speed c and wavelength λ is diffracted at a small aperture.



32 - Ans: B.
An electric current I is given in the list of formulae on page 3 as I = Anvq.






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