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## Homework Statement

a. Does the photoelectric effect take place if mercury is illuminated with UV light with a wavelength λ = 300 nm? The cutoff wavelength for mercury is 250 nm.

## Homework Equations

ft= WF/h(planks constant)

E=h(f)

## The Attempt at a Solution

im not sure how to start this because the work function is not given and neither is the frequency i know that i can get the work function if i have the frequency by multiplying it with planks constant, but I am not sure how to get it with just the wavelength.