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3 marksReflection

CSEC Physics · 1998 · Paper 2 · Question 3(b)

Figure 4 shows circular wavefronts spreading from source S and incident on a flat barrier. Draw TWO reflected wavefronts and mark with an 'X' the point from which they appear to originate.

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Other parts of this question

  1. 3(a)Complete Table 2 by filling in the missing wave types, sources, and whether each is transverse or longitudinal.[5 marks]
  2. 3(c)(i)Use the graph in Figure 5 to determine the amplitude of the wave.[1 mark]
  3. 3(c)(ii)Determine the time taken for one complete cycle of the wave.[1 mark]
  4. 3(c)(iii)Calculate the frequency of the wave.[2 marks]
  5. 3(c)(iv)State what other information is needed to calculate the wavelength of the wave.[1 mark]
  6. 3(c)(v)On Figure 5, sketch another wave that has the SAME amplitude but HALF the frequency.[2 marks]

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