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When light of frequency 7.17x1014 Hz shines on the surface of sodium metal, electrons are ejected...

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Chemistry

When light of frequency 7.17x1014 Hz shines on the surface of sodium metal,electrons are ejected with a maximum kinetic energy of1.10x10-19 J.Calculate:
    
(a) the wavelength of this light: Answer m

b) the binding energy of electrons to sodium metal:AnswerJ
c) the longest wavelength of light that will ejectelectrons: Answerm

In this question please usethe following values for the fundamental constants:
Planck's constant h=6.626x10-34Js
Speed of light c=2.998x108m/s

Give your answer to 3significant figures. Do not enter units!
For large or small numbers, use scientific notation, forexample 1.23E-4


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