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YOUR PARTICIPATION FOR THE GROWTH OF PHYSICS REFERENCE BLOG

Sunday, August 25, 2019

9702 March 2019 Paper 12 Worked Solution | A-Level Physics

  • 9702 March 2019 Paper 12 Worked Solution | A-Level Physics






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




3 - Ans: D.
The speed of an aircraft in still air is 200 km h-1. The wind blows from the west at a speed of 85.0 km h-1.



7 - Ans: C.
A stone is thrown vertically upwards from a point that is 12 m above the sea. It then falls into the sea below after 3.4 s.


8 - Ans: B.
Two balls X and Y are moving towards each other with speeds of 5 m s-1 and 15 m s-1  respectively.


11 - Ans: C.
A ball falls through a liquid at a constant speed. It is acted upon by three forces: an upthrust, a drag-force and its weight.


12 - Ans: D.
A fairground ride consists of four carriages connected to a central vertical pole, as shown in the following view from above.


14 - Ans: D.
An object shaped as a hemisphere rests with its flat surface on a table. The object has radius r and density ρ.



29 - Ans: B.
A diffraction grating experiment is set up using yellow light of wavelength 600 nm.



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