Question

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Answer 1

Answer:

here is your answer dear

Answer 2

$\huge\textbf{Question:-}$

Electrons are emitted from a photosensitive surface when it is illuminated by green light but electron emission does not take place by yellow light. Will the electrons be emitted when the surface is illuminated by

(i) red light, and (ii) blue light ?

$\huge\textbf{Answer:-}$

For this the emissions of the photo electron the wavelength of the incident and thus the ray must be less than the Wavelength .