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Wave Optics

Question

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What is the effect on the velocity of the emitted photoelectrons if the wavelength of the incident light is decreased?

Solution

There will be an increase in the velocity of the emitted photoelectrons if the wavelength of the incident light is decreased.

As,

\frac{1}{2} {mv}^{2}_{\max} = h \frac{c}{λ} - ϕ_{0} .

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