• 9702 June 2013 Paper 21 Worked Solutions | A-Level Physics

Question 1 - See solution 478 at
Energy is stored in metal wire that is extended elastically. (a) Explain what is meant by extended elastically.




Question 5 - See solution 25 at
(a) State three conditions required for maxima to be formed in interference pattern produced by two sources of microwaves:




Question 6 - See solution 676 at
Two resistors A and B have resistances R1 and R2 respectively. Resistors are connected in series with a battery, as shown in Fig.1.