Slide 1 Comments2Starsgive usEnergyandLightSlide 2 Comments3Definition of Light:A form of electromagnetic energy (Energy that travels in waves)This energy travels at a speed of:Stars300,000 km/sThe speed of light! Every gas when burned, creates a specific pattern of colors/wavelengths: StarsSpectroscopeEmission SpectrumSlide 7 CommentsFor example, if we look at the emission spectra for hydrogen:StarsFor some gases, the color bands can be wide, while other times they are narrow.
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11The Doppler EffectWhy does an ambulance sound higher pitched when it is coming towards you and lowe...
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