'Purple light' diaporamas de présentation

Electrons

Electrons. Model of atoms. The Wave Nature of Light. Light was first recognized as manifestation of electromagnetic energy and it was called electromagnetic radiation. http://college.hmco.com/chemistry/shared/media/animations/electromagneticwave.html.

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32.2 Forensic Chemical Techniques

32.2 Forensic Chemical Techniques. Spectrometry, colorimetry, ultraviolet, infrared and mass spectrometry. Learning Objectives. Be able to use chemical techniques to analyse evidence from a simulated crime scene. Spectroscopy.

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Light

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Light and Sound

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Light

Light. Properties of light Reflection Colors Refraction. LIGHT: What Is It?. Light Energy Atoms As atoms absorb energy, electrons jump out to a higher energy level. Electrons release light when falling down to the lower energy level.

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Light and Sound

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Light and Sound

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Light

Light. Visible Light. Visible Light - the range of frequencies of electromagnetic waves that stimulates the retina of the eye. Visible Light. The lowest frequency of light we can see is red light The highest frequency of light we can see is violet light

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Light Waves Notes

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Light

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Light

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WARM-UP ON YOUR HANDOUT PAGE, PLEASE DO THE FOLLOWING:

WARM-UP ON YOUR HANDOUT PAGE, PLEASE DO THE FOLLOWING:. Define the word LENS in your own words. Then list at least 3 examples of lenses in everyday life. Title: Light and Lenses. Challenge Question:. What is a lens, and how does it change the path of light?.

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The Electromagnetic Spectrum

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The Electromagnetic Spectrum

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Law of Reflection

Law of Reflection. Angle of incidence = Angle of reflection. The Law of Reflection. In other words, light gets reflected from a surface at ____ _____ angle it hits it. The same !!!. Clear vs. Diffuse Reflection. Smooth, shiny surfaces have a clear reflection:.

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TECH 3399 Alternative Energy Charles R. Colen, Jr., Ph.D. Seyed E. Taghavi, Ph.D. University of Arkansas Pine Bluff

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Chemical indicators

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