Explain the existence of threshold frequency of incident radiation for photoelectric emission from a given surface.

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TextThreshold Frequency and Threshold WavelengthCBSE PYQ

Similar Questions

The work function for a photosensitive surface is 3·315 eV. The cut-off wavelength for photoemission of electrons from this surface is :

MCQ (Single)Work Function and Electron EmissionThreshold Frequency and Threshold Wavelength

Photoelectric emission occurs when a surface is irradiated with the radiation of frequency (i) v₁, and (ii) v₂. The maximum kinetic energy of the electrons emitted in the two cases are K and 2K respectively. Obtain the expression for the threshold frequency for the surface.

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