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Title: Light Demos
Description: October 27, 2020



Demo: Flame emission spectra of iron filings over open flame.
        flame emission spectra of wooden sticks soaked in different salts to produce different colors.
        Emission spectra(s) produced by exciting metals into ions using methanol.
        PHOTO
 

Demo:  Spiral

Demo: Polarizing filter with Karo syrup to produce a negative rainbow
     show that sugar bends light to the left. We can only see the individual colors of light
    when the wavelengths are separated into polarized light (all moving in the same direction).



Topic: Light Calculations
    speed of light = (frequency) x (wavelength)          c = f
l
    energy = (Planck's constant) x (frequency)           E = h f       h = 6.6x10-34J/Hz
    Photoelectric effect - Albert Einstein
    Primary colors of light

HW:
Light Problems pdf





Homework:
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