Physics (AS & A Level) · May / June 2018 · Paper 43 · Question 2

A metal plate is made to vibrate vertically by means of an oscillator, as shown in Fig. 2.1. direction of oscillations sand plate oscillator Fig. 2.1 Some sand is sprinkled on to the plate. The variation with displacement y of the acceleration a of the sand on the plate is shown in Fig. 2.2. –10 y / mm a / m s–2 –5 –4 –3 –2 –1 1 2 3 4 5 –8 –6 –4 –2 0 0 2 4 6 8 10 Fig. 2.2

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