Question: Ytterbium has a work function of 2 . 6 eVeV . Part A What is the longest wavelength of light that will release an electron

Ytterbium has a work function of

2.6

eVeV

.

Part A

What is the longest wavelength of light that will release an electron from a ytterbium surface?

Express your answer with the appropriate units.

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maxmax

=

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Answer

Part B

3.4

eVeV photon strikes the surface of ytterbium and an electron is emitted. What is the maximum possible speed of the electron?

Express your answer with the appropriate units.

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=

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