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drwalkinboner drwalkinboner
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4 months ago

Ultraviolet light is shone on a piece of metal, and electrons are observed to be ejected from the metal. The UV lamp is now replaced by a lamp of the same intensity, but which produces photons having a shorter wavelength. Which of the below differences is observed?



More electrons per unit time are produced.



Nothing changes at all.



Electrons with a higher maximum energy are observed.



Electrons with lower maximum energy are observed.

Textbook 
College Physics

College Physics


Edition: 5th
Author:
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kimtrankimtran
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