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Friday, August 2, 2019

9702 June 2012 Paper 41 & 43 Worked Solution | A-Level Physics

  • 9702 June 2012 Paper 41 & 43 Worked Solution | A-Level Physics




Question 1 - See solution 693 at
A spherical planet may be assumed to be an isolated point mass with its mass concentrated at its centre.



Question 2 - See solution 388 at
Kinetic theory of gases is based on some simplifying assumptions.



Question 6
A solid metal sphere of radius R is isolated in space. The sphere is positively charged so that the electric potential at its surface is VS.



Question 7 - See solution 1072 at
Two long straight parallel copper wires A and B are clamped vertically. The wires pass through holes in a horizontal sheet of card PQRS, as shown in Fig. 7.1.




Question 10
A student designs an electronic sensor that is to be used to switch on a lamp when the light intensity is low. Part of the circuit is shown in Fig. 10.1.






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