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LIGHT

LIGHT. Electromagnetic Waves. Vacuum Force fields. Photons. Definition Electrons Energy levels Electrons absorb energy. Photons (cont.). “Excited & unstable” Photons released when electrons return Photon energy 1. Energy level jump 2. Types of

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LIGHT

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  1. LIGHT

  2. Electromagnetic Waves • Vacuum • Force fields Photons • Definition • Electrons • Energy levels • Electrons • absorb energy

  3. Photons (cont.) • “Excited & unstable” • Photons released when • electrons return • Photon energy • 1. Energy level • jump • 2. Types of • light

  4. Properties of Light • Transverse wave/photons • Wavelength • Frequency/energy • Speed of light • 1. c = 300 million m/s • 2. Medium • 3. Types of light • 4. Calculation of • speed of light??? vacuum gases liquids solids

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