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Unexpected Results!:

As long as you are above a certain frequency ...

1. When you brighten the light source

Get more electron emission

Rate of Photoelectron emission
	Intensity of light (Brightness)

... but

not faster

(more energetic) electrons!!!!

K.E. of Photoelectrons
	Intensity of light (Brightness)

Results Contradict

Wave Theory!

According to
 Wave Theory…

 Increasing Brightness,
Increases Energy of wave

Should Increase Kinetic Energy
 of Electrons Emitted

- It Didn't!!

 K.E. photoelectron

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