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2 marksParticulate Nature of Electromagnetic Radiation

CAPE Physics Unit 2 · 2003 · Paper 2 · Question 3(a)

An experiment varies the wavelength lambda of light incident on a calcium sample and measures stopping potential V_s.

Complete Table 2 to show the missing frequency values.

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Other parts of this question

  1. 3(b)On the graph paper on page 9, plot a graph of stopping potential, V_s, versus frequency, f.[3 marks]
  2. 3(c)(i)From the graph, determine Planck's constant.[3 marks]
  3. 3(c)(ii)From the graph, determine the work function, in eV, of calcium.[2 marks]

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