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In an experiment on photo electric emiss...

In an experiment on photo electric emission, following observations were made,
(i) Wavelength of the incident light `=1.98xx10^(-7)m`,
(ii) Stopping potential `=2.5 "volt"`.
Find: (a) Kinetic energy of photoelectrons with maximum speed.
(b) Work function and
(c )Threshold frequency,

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To solve the problem step by step, we will follow the instructions given in the question. ### Step 1: Calculate the Kinetic Energy of Photoelectrons The kinetic energy (KE) of photoelectrons can be calculated using the stopping potential (V) with the formula: \[ KE = eV ...
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