Wavelength, Frequency, Energy, Speed, Amplitude, Period Equations & Formulas - Chemistry & Physics
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- เผยแพร่เมื่อ 26 ส.ค. 2016
- This chemistry and physics video tutorial focuses on electromagnetic waves. It shows you how to calculate the wavelength, period, frequency, and amplitude of a wave directly from sinusoidal or sine wave graph. This video contains plenty of notes, equations / formulas, examples, and practice problems.
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Here is a list of topics:
1. How to calculate the wavelength of a wave in meters using a graph
2. Inverse relationship of period and frequency
3. Wavelength - the length of a cycle
4. Period is the time it takes a wave to complete a single cycle
5. Frequency is the number of cycles that a wave completes in a single second
6. Units of Frequency - Hz
7. Determining the Amplitude Using the Maximum and Minimum points of a graph.
8. Trough vs Crest of a wave
9. Speed of light Formula of a EM wave in a vacuum and in a material such as water, glass, or diamond
10. Index of refraction, speed of light, and wavelength
11. Frequency of light remains the same
12. Energy of a photon, frequency and planck's constant formula
13. Converting Joules of Energy into Electron Volts eV
14. Electromagnetic Spectrum Chart
15. Infrared, Radio waves, microwaves, roygbiv, ultraviolet UV radiation, x-rays, gamma rays, and cosmic radiation
16. Longest to Shortest Wavelength - Radiowaves to Cosmic Rays
17. EM Spectrum in order of increasing energy and frequency
18. Visible light spectrum wavelength range - color chart diagram - 400nm to 700nm
19. Red, Orange, Yellow, Green, Blue, Indigo, and Violet.
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you mixed up the position of the crest and the trough
At which part of the video did I make a mistake?
The Organic Chemistry Tutor 0:58
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Shaun Zulu I was just about to comment the same thing. Crest is on top. Trough is on the bottom.
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You did mix up a few things but I was able to understand it after a few times listening. Good job and thank you.
crest and trough, he switched them somehow
Hey, bro the Crest is the highest part of the wave and the trough is the lowest☺
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But, my guy, the examples of light he gave had a wavelength of roughly 56x the circumference of Earth.
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Amplitude above x-value = 0 is a crest. Amplitude below x-value = 0 is a trough.
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The crest should be at the top where the 5 is because the crest is the highest point the medium rises to and the trough should be at -5 because that is the lowest point the medium drops to so you made a small error there at 0:50 in the video but otherwise you provided a good explanation! 👍😀
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Nice explanation and I like your examples. Just recheck your concept of Crest and trough.
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I have around 3500 data points that create a wave. My task is to detect the maximum range of the wavelenght, so basically the largest distance from the crest to the trough and since my wave is pretty irregular I was wondering if there is a method to calculate and detect it. Take into account that between the crest and the trough there are also points (values) that I would of course exclude since they are not my crest nor my trough point.
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But you mixed up the positions of the crest ans trough
The crest is the up one
While the trough is the down one
You need to make a video on sinusoidal function of wave
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Well for a transverse progressive wave, the crest supposes to be at the top of the trough.
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