• 9702 June 2008 Paper 1 Worked Solutions | A-Level Physics

1 C                  11 A                21 A                31 C

2 D                  12 A                22 B                32 B

3 C                  13 A                23 A                33 C

4 C                  14 A                24 C                34 C

5 D                  15 D                25 B                35 C

6 C                  16 A                26 D                36 D

7 B                  17 C                27 D                37 A

8 C                  18 B                28 B                38 B

9 D                  19 C                29 A                39 C

10 D                20 B                30 A                40 B

Notes for some specific questions:

5 - Ans: D. {Detailed explanations for this question is available as Solution 1122 at Physics 9702 Doubts | Help Page 242 - http://physics-ref.blogspot.com/2016/09/physics-9702-doubts-help-page-242.html}


6 - Ans: C.
An object accelerates in a direction that is always perpendicular to its motion.


8 - Ans: C. {Detailed explanations for this question is available as Solution 944 at Physics 9702 Doubts | Help Page 195 - http://physics-ref.blogspot.com/2015/09/physics-9702-doubts-help-page-195.html}


10 - Ans: D. {Detailed explanations for this question is available as Solution 1070 at Physics 9702 Doubts | Help Page 225 - http://physics-ref.blogspot.com/2015/11/physics-9702-doubts-help-page-225.html}


11 - Ans: A. {Detailed explanations for this question is available as Solution 483 at Physics 9702 Doubts | Help Page 94 - http://physics-ref.blogspot.com/2015/03/physics-9702-doubts-help-page-94.html}


12 - Ans: A. {Detailed explanations for this question is available as Solution 1060 at Physics 9702 Doubts | Help Page 223 - http://physics-ref.blogspot.com/2015/11/physics-9702-doubts-help-page-223.html}


13 - Ans: A. {Detailed explanations for this question is available as Solution 950 at Physics 9702 Doubts | Help Page 196 - http://physics-ref.blogspot.com/2015/09/physics-9702-doubts-help-page-196.html}


14 - Ans: A. {Detailed explanations for this question is available as Solution 267 at Physics 9702 Doubts | Help Page 44 - http://physics-ref.blogspot.com/2015/01/physics-9702-doubts-help-page-44.html}



16 - Ans: A. {Detailed explanations for this question is available as Solution 136 at Physics 9702 Doubts | Help Page 24 - http://physics-ref.blogspot.com/2014/11/physics-9702-doubts-help-page-24.html}


17 - Ans: C. {Detailed explanations for this question is available as Solution 139 at Physics 9702 Doubts | Help Page 25 - http://physics-ref.blogspot.com/2014/11/physics-9702-doubts-help-page-25.html}


18 - Ans: B. {Detailed explanations for this question is available as Solution 786 at Physics 9702 Doubts | Help Page 158 - http://physics-ref.blogspot.com/2015/05/physics-9702-doubts-help-page-158.html}



22 - Ans: B. {Detailed explanations for this question is available as Solution 293 at Physics 9702 Doubts | Help Page 49 - http://physics-ref.blogspot.com/2015/01/physics-9702-doubts-help-page-49.html}


23 - Ans: A. {Detailed explanations for this question is available as Solution 1102 at Physics 9702 Doubts | Help Page 235 - http://physics-ref.blogspot.com/2016/02/physics-9702-doubts-help-page-235.html}


24 - Ans: C. {Detailed explanations for this question is available as Solution 297 at Physics 9702 Doubts | Help Page 50 - http://physics-ref.blogspot.com/2015/01/physics-9702-doubts-help-page-50.html}


25 - Ans: B. {Detailed explanations for this question is available as Solution 146 at Physics 9702 Doubts | Help Page 26 - http://physics-ref.blogspot.com/2014/11/physics-9702-doubts-help-page-26.html}


26 - Ans: D. {Detailed explanations for this question is available as Solution 743 at Physics 9702 Doubts | Help Page 150 - http://physics-ref.blogspot.com/2015/05/physics-9702-doubts-help-page-150.html}


27 - Ans: D. {Detailed explanations for this question is available as Solution 161 at Physics 9702 Doubts | Help Page 27 - http://physics-ref.blogspot.com/2014/11/physics-9702-doubts-help-page-27.html}


28 - Ans: B. {Detailed explanations for this question is available as Solution 170 at Physics 9702 Doubts | Help Page 28 - http://physics-ref.blogspot.com/2014/11/physics-9702-doubts-help-page-28.html}


29 - Ans: A. {Detailed explanations for this question is available as Solution 1027 at Physics 9702 Doubts | Help Page 214 - http://physics-ref.blogspot.com/2015/10/physics-9702-doubts-help-page-214.html}


30 - Ans: A. {Detailed explanations for this question is available as Solution 579 at Physics 9702 Doubts | Help Page 114 - http://physics-ref.blogspot.com/2015/04/physics-9702-doubts-help-page-114.html}


31 - Ans: C.
The diagram shows an oil droplet that has become charged by gaining five electrons. ...


34 - Ans: C. {Detailed explanations for this question is available as Solution 940 at Physics 9702 Doubts | Help Page 194 - http://physics-ref.blogspot.com/2015/09/physics-9702-doubts-help-page-194.html}


36 - Ans: D. {Detailed explanations for this question is available as Solution 956 at Physics 9702 Doubts | Help Page 197 - http://physics-ref.blogspot.com/2015/09/physics-9702-doubts-help-page-197.html}


37 - Ans: A. {Detailed explanations for this question is available as Solution 931 at Physics 9702 Doubts | Help Page 191 - http://physics-ref.blogspot.com/2015/08/physics-9702-doubts-help-page-191.html}


38 - Ans: B. {Detailed explanations for this question is available as Solution 154 at Physics 9702 Doubts | Help Page 26 - http://physics-ref.blogspot.com/2014/11/physics-9702-doubts-help-page-26.html}


39 - Ans: C. {Detailed explanations for this question is available as Solution 145 at Physics 9702 Doubts | Help Page 25 - http://physics-ref.blogspot.com/2014/11/physics-9702-doubts-help-page-25.html}


40 - Ans: B.
A radioactive nucleus is formed by β-decay. This nucleus then decays by α-emission. Which graph of proton number Z plotted against nucleon number N shows the β-decay followed by the α-emission?


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