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What does it mean when we say that light has a dual nature?
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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
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|
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|
|
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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!!
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