The work function of Na is 2.3eV. What is the longest-wavelength light that can cause photoelectron...

Question

Question

The work function of Na is 2.3eV. What is the longest-wavelength light that can cause photoelectron emission from Na? What color is this?

Answer 1

Answer #1

Work function & =2.3eN 2.3x126x10195 3.68% 1019 Longest wave length ad let longest Now from os he th= 6.62618 10 34 35 C = 3x

Answer 2

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