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Tuesday, August 6, 2019

9702 November 2016 Paper 21 & 23 Worked Solution | A-Level Physics

  • 9702 November 2016 Paper 21 & 23 Worked Solution | A-Level Physics






Question 4
A cathode-ray oscilloscope (c.r.o.) is used to determine the frequency of the sound emitted by a loudspeaker. The trace produced on the screen of the c.r.o. is shown in Fig. 4.1.



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