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3 marksPhysical Quantities

CAPE Physics Unit 1 · 2018 · Paper 2 · Question 2(c)

The bottle used in the experiment had a neck length of 5.8 × 10⁻³ m and a cross-sectional area of 2.50 × 10⁻⁴ m².

Use this data along with your answer in (b)(iii) to determine the velocity of sound in the bottle.

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Other parts of this question

  1. 2(a)(i)Define Loudness.[1 mark]
  2. 2(a)(ii)Define Pitch.[1 mark]
  3. 2(a)(iii)Define Quality.[1 mark]
  4. 2(b)(i)Complete Column 3 in Table 2 on page 12.[2 marks]
  5. 2(b)(ii)Using an appropriate scale, plot a graph of f against 1/sqrt(V) on the grid provided in Figure 3 on page 13. Draw the line of best fit through the points.[4 marks]
  6. 2(b)(iii)Determine the gradient of the graph.[3 marks]

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