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The fastest speed in the universe is the speed of ____
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B. Experiments Supporting Particle Theory of Light (20th
century)
Experiment in the late 1800's baffles scientists.
Light is not acting like a wave!
Experiment scientists
can't explain
is called…
 Photoelectric Effect
showmethephysics.com
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Flash |
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- when light is exposed
to the surface
of
certain metals,
the light energy is absorbed and electrons
are ejected
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Light
(or
other electromagnetic radiation) |
Emitted electrons are called PHOTOELECTRONS
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Photosensitive
metal |
The light’s energy causes
the emission of electrons
Unexpected
Results
Try this at Home
Coanda
Effect, Leaf Blower, Volleyball
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"Show Me The Physics"
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