Electromagnetic Spectrum Mr. Skirbst Physical Science Topic 22.

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Presentation transcript:

Electromagnetic Spectrum Mr. Skirbst Physical Science Topic 22

Electromagnetic Waves Wave – a traveling disturbance that carries energy from place to place

Electromagnetic Waves Wave Characteristics –

Electromagnetic Waves Electromagnetic Wave – wave in which electric and magnetic fields carry energy

Electromagnetic Waves Transverse Wave - electric and magnetic fields travel at right angles

Electromagnetic Spectrum arrangement of electromagnetic waves in order of their wavelengths & frequencies

Electromagnetic Spectrum

Visible Light energy released within the range of visible light portion of the electromagnetic spectrum

Visible Light visible spectrum:

Visible Light 3 Types of visible light: -Incandescent – produced from heat -Fluorescent – UV light makes phosphors glow -Neon – energized gas

Spectral Analysis Spectral lines – characteristic wavelengths of light (fingerprint) emitted by a luminous body * Used to identify elements

Spectral Analysis Spectroscope – instrument used to observe spectral lines

Spectral Analysis

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