A sodium surface which has a work function of 246ev is


A sodium surface, which has a work function of 2.46eV is illuminated with a wavelength = 300nm light.

(a) Find the KE of the ejcted photoelectrons.

(b) Find the maximum speed of the photoelectrons.

(c) What is the deBroglie wavelength of these electrons?

(d) Find the threshold frequency for Sodium.

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Physics: A sodium surface which has a work function of 246ev is
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