Light that has a 196 nm wavelength strikes a metal surface, Ask an Expert

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Light that has a 196 nm wavelength strikes a metal surface and photoelectrons are produced moving as fast as 0.004c.

(a) What is the work function of the metal?

(b) What is the threshold wavelength for the metal?

a. silver or copper
b. sodium or potassium
c. gold or zinc

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Category:- Physics
Reference No.:- M91719606

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