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  • Light Energy Into Chemical Energy
    637 words
    PHOTOSYNTHESIS INFORMATION: The Nature of Light Light behaves both as a wave phenomenon and as discrete particles of energy called photons. If we look at light as a wave phenomenon, we can assign it a wavelength (the distance from one peak of the wave to the next) and an amplitude (the distance the wave oscillates from its centerline). Different wavelengths of light have different characteristic energies and properties. Light can also travel at various speeds in different media, producing a freq...
  • Radiation Including Visible Light
    1,431 words
    MCW U 6 PH 3 Kate Knights Summer 2000 Observing Stars Our view of the sky at night is possible because of the emission and reflection of light. 'Light' is the better-known term for the electromagnetic spectrum, which includes waves in the visible, ultra-violet, infra-red, microwave, radio, X-ray and gamma-ray regions. The scale of the spectrum is so large that no region is distinct, several overlap each other. Each of these regions in the electromagnetic spectrum represent transverse waves, trav...
  • Next Group Of Light Waves
    491 words
    In this universe there are many thing that we cannot explain. Among these many things is light. Light, as far as we know, come in different wavelengths and the size of the wavelength determine what type of light it is. The middle wavelength lights are what gives us the seven basic colors of red, orange, yellow, green, blue, indigo and violet. Beside these visible lights there are the lights that cannot be seen by the human eye. These invisible lights can be grouped into two other groups the long...
  • Absorption Rates Of Green Versus Red Light
    1,311 words
    A Spectrophotometric Analysis of the Absorption of Green Light Versus Red Light Absorption in Spinach Leaves The goal of the experiment was to determine if green light had less ability to absorb than red light in spinach leaves. This was done by separating the photosynthetic pigments (chlorophyll a, chlorophyll b, carotene and xanthophylls) from one another using paper chromatography. The separated pigments were then analyzed for their absorption spectrum using a. When the data was graphed it cl...
  • Trap Light
    524 words
    In 1987, both Eli Yablonvitch and Sajeev John got together to discuss research that both had previously discovered. Eli Yablonvitch was an electrical engineer at Bell Communications Research in Red Bank, New Jersey. Yablonvitch was known for refining a laser that would become a mainstay of fiber-optic communications. Sajeev John is a Harvard graduate student who worked on a thesis inspired by Philip Anderson of Princeton. The two agreed that the name of their idea should be called a photonic ban...

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