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OpenStudy (yadu123):
Help? Use the following Photoelectric Graph to answer the following question: If the incoming photon had a frequency of 2.0 E14 Hz, would you have a photo-electron ejected?
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OpenStudy (yadu123):
OpenStudy (yadu123):
thats the wrong image
OpenStudy (irishboy123):
from graph you'd need to be something like 2.75 to have enough energy to start knocking e's out
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