Light with a wavelength of 395 nm illuminates a metal cathode. The maximum kinetic energy of the emitted electrons is 0.76 eV . Part A What is the longest wavelength of light that will cause electrons to be emitted from this cathode

520.8 nm

Explanation:

We are given that

1 nm=

Maximum kinetic energy, V

We have to find the maximum wavelength of light.

We know that

Where

=520.8 nm

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