• 9702 June 2016 Paper 13 Worked Solutions | A-Level Physics

1 D                  11 B                21 D                31 D

2 B                  12 C                22 C                32 A

3 C                  13 B                23 B                33 C

4 C                  14 B                24 B                34 A

5 C                  15 C                25 D                35 C

6 A                  16 C                26 B                36 B

7 B                  17 A                27 A                37 B

8 B                  18 A                28 D                38 D

9 A                  19 D                29 D                39 B

10 A                20 C                30 A                40 C

4 - Ans: C.
A metre rule is supported horizontally by two pivots as shown. The vertical displacement y at the centre of the rule is given by the equation



5 - Ans: C.
The following trace is seen on the screen of a cathode-ray oscilloscope.   The setting of the time-base is then changed from 10 ms cm-1 to 20 ms cm-1 and the Y-plate sensitivity remains constant.


17 - Ans: A.
An object of mass 0.30 kg is thrown vertically upwards from the ground with an initial velocity of 8.0 m s-1.


21 - Ans: D.
A metal wire of cross-sectional area 0.20 mm2 hangs vertically from a fixed point. A load of 84 N is then attached to the lower end of the wire.


35 - Ans: C.
A circuit contains a cell, two resistors of resistances R1 and R2 and a variable resistor X.


37 - Ans: B.
Two identical batteries each have e.m.f. 6.0 V and internal resistance r. The batteries are connected to an external resistor of resistance 11 Ω, as shown.