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n |
E-m energy is
absorbed and
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emitted in
specific amounts
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called “quanta”
according to
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the quantum
theory
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n |
A photon is the
basic unit of
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e-m energy
(particle of light)
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n |
In wave theory
E-m energy is
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emitted
continuously
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n |
Energy of a
photon is directly
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related to its
frequency
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