A photon of energy E ejects a photoelectron from a metal surface whose work function is φ…
Physics · Class 12 · CBSE — Dual Nature of Radiation & Matter
A photon of energy E ejects a photoelectron from a metal surface whose work function is φ0. If this electron enters into a uniform magnetic field B in a direction perpendicular to the field and describes a circular path of radius r, then the radius r is (in the usual notation)
Answer
(D)
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