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Plot a labelled graph of stopping potential ( ) versus frequency ( ) of incident UV radiation…
(i)
Plot a labelled graph of stopping potential ($V_s$) versus frequency ($\nu$) of incident UV radiation.
Draw: graph of stopping potential Vs versus frequency nu of incident radiation
Must show: stopping potential Vs on y-axis, frequency nu on x-axis, threshold frequency nu_0 intercept, straight line with positive slope
(ii)
State how the value of Planck’s constant can be determined from this graph.
Answer
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From ISC 2025 Physics Paper 1, question 17.