Difference between revisions of "PChem322 s21 w1"

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:'''Challenge''': Reproduce the Figure 1.2 above for Plank's Blackbody Radiation (spectral density vs frequency)
 
:'''Challenge''': Reproduce the Figure 1.2 above for Plank's Blackbody Radiation (spectral density vs frequency)
::- See here for the function --> [https://en.wikipedia.org/wiki/Planck's_law Plank's Law (Wikipedia)]
+
::- First try and use the "Manipulate" function, then do the plot of 5 functions.
 +
::- See here for the function (slightly different than book) --> [https://en.wikipedia.org/wiki/Planck's_law Plank's Law (Wikipedia)]
  
 
===Activity 2:Emission Spectra===
 
===Activity 2:Emission Spectra===

Revision as of 19:52, 28 January 2021

...return to Chem 322 - home

Monday Jan 25, 2021

Join Zoom Meeting

- Welcome
- Attendance
- Syllabus/Expectations

Weds, Jan 27, 2021

Chapter 1: From Classical to Quantum Mechanics

Intro, Sec 1.1, Sec 1.2

Read

Sec 1.3 Blackbody Radiation

Plank's Law (Wikipedia)
- All objects are essentially "hot" (considering the concept of absolute zero).
- All (hot) objects radiate light (electromagnetic radiation).
- The wavelength/frequency of the light emitted from a (hot) object is related to the temperature of the object.
- We can make a graph of wavelength (λ) or frequency (ν) as a function of temp (T), but at any given temperature light emitted has a range of λ or ν. So instead we develop some expressions using the term spectral density (ρ - rho).

Screen Shot 2021-01-27 at 9.18.22 AM.png

Thurs, Jan 28, 2021

Meet in CSB 378

Activity 1: Mathematica

- Basic Plot statement
  • Plot[x^2, {x, 0, 10}]
- Plotting 2 function on one graph
  • Plot[{x^2, X^3}, {x, 0, 10}]
- "Manipulate" a Plot
  • Manipulate[Plot[{a*x^2, a*x^3}, {x, 0, 10}], {a, 1, 2}] ...with y-axis range defined
  • Manipulate[Plot[{a*x^2, a*x^3}, {x, 0, 10}, PlotRange -> {0, 2000}], {a, 1, 2}]
Challenge: Reproduce the Figure 1.2 above for Plank's Blackbody Radiation (spectral density vs frequency)
- First try and use the "Manipulate" function, then do the plot of 5 functions.
- See here for the function (slightly different than book) --> Plank's Law (Wikipedia)

Activity 2:Emission Spectra

Demonstration
Excel Worksheet: Media:HW2_Emission.pdf

Activity 3

NOVA: Beyond the Elements
Time 5:00 pm

Friday, Jan 29, 2021

Sec 1.4 The Photoelectric Effect