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CHEM 1A (149)
Lecture

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Department
Chemistry
Course
CHEM 1A
Professor
Amanda Brindley
Semester
Winter

Description
Waves Properties - transverse waves - light waves // longitudinal waves - sound and pressure - electromagnetic radiation - form of energy with wavelike properties // heat, sunlight, microwaves, xrays - electromagnetic waves - electric and magnetic // perpendicular planes // travel at the speed of light - amplitude - half the distance from the highest point to the lowest point - wavelength - difference from one peak to the next peak // trough to trough - frequency - speed of light over the wavelength // frequency = v = c / lambda // units in hertz - electromagnetic spectrum - - as wavelength increases, frequency decreases - as frequency increases, so does energy // all lights have the same speed - EX. green light = 522 nm - known = c = 3.00 x 10 m/s - lambda = 522 nm (1m / 10
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