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The graph of stopping potential ( ) versus frequency ( ) of incident UV radiation incident on a…

Physics20253 marksNumerical
The graph of stopping potential ($V_0$) versus frequency ($f$) of incident UV radiation incident on a metallic surface is shown below. Study the graph and answer the questions that follow.
Graph of stopping potential vs frequency
Graph of stopping potential vs frequency
(i)
Find the value of work function of the metal.
(ii)
Determine the value of Planck’s constant ‘h’.

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Dual Nature of Radiation and Matter

From ISC 2025 Improvement Physics Paper 1, question 17.