In a photoelectric experiment, the stopping potential is 1.5V. What is the maximum kinetic energy of a photoelectron?

Q.2 (vii) In a photoelectric experiment, the stopping potential is 1.5V. What is the maximum kinetic energy of a photoelectron?

Doubtly Asked 29 Oct 2026 Board exam · March 2024 hsc 12th Save WhatsApp Report

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Answer: \(K_{max} = 1.5\) eV \(= 2.4\times10^{-19}\) J

\(K_{max} = eV_0 = 1.6\times10^{-19}\times 1.5 = 2.4\times10^{-19}\) J.

Doubtly AI · 29 Oct 2026 AI-generated · not yet verified Report

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