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Physics
Quantum Physics
Does photoelectric effect include light with threshold freq?
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[QUOTE="BvU, post: 5453977, member: 499340"] Hello Polly, :welcome: Yes, that's rather what PF is there for :smile: . No reason to expect something other than that, is there ? Threshold frequency is indeed the term used for the situation you describe. It's something to compare different materials. The real situation is statistical and on an atomic scale. In reality you don't get the sharp pictures like in the http://xamidea.in/learning/Physics/20/Dual-Nature-of-Matter-and-Radiation-/97/Characteristics-of-Photoelectric-Effect/title/10000690 Hehe, yes: a photoelectric effect without an effect that's somewhat observable. Physics is generally an exact science (up to a point :smile:), but we communicate with (imperfect and less exact) language and -- like taste -- that's always debatable. Alternative answer: the existence itself of the thus described cutoff frequency is the photoelectric effect. It has great historical weight. Happy PFing ! [/QUOTE]
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Does photoelectric effect include light with threshold freq?
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