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Light and Atomic Spectra

Light and Atomic Spectra. Wavelength. The distance between two consecutive crests or troughs Symbolized by Lambda ( l). Frequency. The number of wave cycles that pass a given point in unit time. Unit is hertz (Hz) Symbolized by nu ( n). Wavelength and Frequency. c = l x n.

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Light and Atomic Spectra

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  1. Light and Atomic Spectra

  2. Wavelength • The distance between two consecutive crests or troughs • Symbolized by Lambda (l)

  3. Frequency • The number of wave cycles that pass a given point in unit time. • Unit is hertz (Hz) • Symbolized by nu (n)

  4. Wavelength and Frequency

  5. c = l x n • Speed of light = wavelength x frequency • c = 2.998 x 108 m/s

  6. Photons • Stream of particles with properties of both waves and matter

  7. Electromagnetic spectrum

  8. Visible spectrum

  9. Line spectra

  10. Flame tests

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