commit 10e550c6ba4b6827a43a03730cbc1a23eb28c3bd Author: TQ Hirsch Date: Fri Mar 31 19:19:01 2023 +0200 Presentation finished diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..940ec5f --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +presentation.pdf diff --git a/Bohr_atom_model.pdf b/Bohr_atom_model.pdf new file mode 100644 index 0000000..1e1607f --- /dev/null +++ b/Bohr_atom_model.pdf @@ -0,0 +1,71 @@ +%PDF-1.5 +% +4 0 obj +<< /Length 5 0 R + /Filter /FlateDecode +>> +stream +xmRKN1}:> `- \~3C\*  "$["bN7˿Q?F dpo[}L$ +L )3`1شBs"k (^PbK> y@BnmO 5]oB=Cή[d-7݂0u<.oЦC }:4a_1K[<.q[V=ǞLT9+ZP֨#Fī5-&%ǀ>Av1i¾bz۵޷Wyαkf)Fq+,&B}Oh1 + )HnK1UQ!h"bTC-Xoz&k*n .IӔ +endstream +endobj +5 0 obj + 405 +endobj +3 0 obj +<< + /ExtGState << + /a0 << /CA 1 /ca 1 >> + >> +>> +endobj +2 0 obj +<< /Type /Page % 1 + /Parent 1 0 R + /MediaBox [ 0 0 232.5 202.5 ] + /Contents 4 0 R + /Group << + /Type /Group + /S /Transparency + /I true + /CS /DeviceRGB + >> + /Resources 3 0 R +>> +endobj +1 0 obj 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and b/emission-and-absorption-spectra.jpeg differ diff --git a/presentation.tex b/presentation.tex new file mode 100644 index 0000000..d368a86 --- /dev/null +++ b/presentation.tex @@ -0,0 +1,200 @@ +\documentclass{beamer} +\usepackage[utf8]{inputenc} +\usepackage{amsmath} +\usepackage{unicode-math} +\usetheme{Madrid} +\usecolortheme{default} + +%------------------------------------------------------------ +%This block of code defines the information to appear in the +%Title page +\title{Observational Astronomy} + +\subtitle{How we make the EM spectrum our bitch} + +\author{Lauren Thomas (ljaytee)} + + +\date{Newline 2023} + + +%End of title page configuration block +%------------------------------------------------------------ + + + +%------------------------------------------------------------ +%The next block of commands puts the table of contents at the +%beginning of each section and highlights the current section: + +%------------------------------------------------------------ + + +\begin{document} + +%The next statement creates the title page. +\frame{\titlepage} + + +\section{First section} + +%--------------------------------------------------------- +%Changing visivility of the text +\begin{frame}{Light spectra}{Electromagnetic spectrum} + \centering + \includegraphics[width=10cm]{Encyclopaedia Brittanica EM spectrum.jpg} +\end{frame} + +%--------------------------------------------------------- + + +%--------------------------------------------------------- +%Example of the \pause command +\begin{frame}{How is electromagnetic radiation created} + \begin{figure} + \centering + \includegraphics{Bohr_atom_model.pdf} + \caption{Bohr model of a hydrogen atom} + \end{figure} +\end{frame} + +\begin{frame}{How is electromagnetic radiation created} + \begin{figure} + \centering + \includegraphics{Bohr_atom_model_absorb.pdf} + \caption{Absorption} + \end{figure} +\end{frame} + +\begin{frame}{How is electromagnetic radiation created} + \begin{figure} + \centering + \includegraphics{Bohr_atom_model_emit.pdf} + \caption{Emission} + \end{figure} +\end{frame} + +\begin{frame}{Photon energy} + \begin{align*} + \action<+->{ + &E_3 - E_2 = {\sf Energy~ of~ the~ photon} = hf \\ + &{\sf where~} h =6.626\cdot 10^{-34} J\cdot Hz^{-1} \\ + } + \action<+->{ + &E = {hc \over \lambda} \\ + &c =3\cdot 10^8 m\cdot s^{-1} + } + \end{align*} +\end{frame} + +\begin{frame}{Let's do an example} + \begin{align*} + E_n &= {-hc R_\infty \over n^2} \\ + R_\infty &= {m_e e^4 \over 8\epsilon_0 ^2 h^3 c} + \end{align*} + + \begin{alignat*}{3} + R_\infty &= 10\:973\:781.568160\; m^{-1} &\hspace{1em}& {\sf Rydberg~ constant} \\ + n_e &= 9.11 \cdot 10^{-31}\; kg && {\sf Electron~ mass} \\ + e &= 1.602 \cdot 10^{-19}\; C && {\sf Elementary~ charge} \\ + \epsilon_0 &= 8.854 \cdot 10^{-12}\; F \cdot m^{-1} && {\sf Permitivity~ of~ free~ space} + \end{alignat*} +\end{frame} + +\begin{frame}{Lets's do an example (continued)} + The Rydberg constant for hydrogen can be calculated using the reduced mass of the electron. + + \begin{align*} + R_H &= R_\infty {m_p \over m_e + m_p} \\ + R_H &= 0.999\ldots R_\infty + \end{align*} +\end{frame} + +\begin{frame}{Lets's do an example (continued)} + \begin{align*} + E_3 - E_2 &= 3.027 \cdot 10^{-19} \\ + E &= {hc \over \lambda} \\ + \lambda &= {hc \over E} \\ + & = 6.5611 \cdot 10^{-7} m \\ + & ~\therefore \\ + \lambda &= 656\; nm~ (3\; s.f.) + \end{align*} +\end{frame} + +\begin{frame}{Emission and absorption spectra} + \begin{figure} + \centering + \includegraphics[width=12cm]{emission-and-absorption-spectra.jpeg} + \end{figure} +\end{frame} + +\begin{frame}{A real emission spectrum} + \begin{figure} + \centering + \includegraphics[width=7cm]{qso.jpg} + \end{figure} +\end{frame} + +\begin{frame}{Redshift and the expanding universe} + \begin{eqnarray*} + z &= \sqrt\dfrac{c+v}{ c-v} - 1 \\ + &= \dfrac{\lambda_{obs} - \lambda_{emit}}{\lambda_{emit}} + \end{eqnarray*} +\end{frame} +%--------------------------------------------------------- + +\section{Second section} + +%--------------------------------------------------------- +%Highlighting text +\begin{frame} +\frametitle{Sample frame title} + +In this slide, some important text will be +\alert{highlighted} because it's important. +Please, don't abuse it. + +\begin{block}{Remark} +Sample text +\end{block} + +\begin{alertblock}{Important theorem} +Sample text in red box +\end{alertblock} + +\begin{examples} +Sample text in green box. The title of the block is ``Examples". +\end{examples} +\end{frame} +%--------------------------------------------------------- + + +%--------------------------------------------------------- +%Two columns +\begin{frame} +\frametitle{Two-column slide} + +\begin{columns} + +\column{0.5\textwidth} +This is a text in first column. +$$E=mc^2$$ +\begin{itemize} +\item First item +\item Second item +\end{itemize} + +\column{0.5\textwidth} +This text will be in the second column +and on a second tought this is a nice looking +layout in some cases. +\end{columns} +\end{frame} +%--------------------------------------------------------- + + +\end{document} +%%% Local Variables: +%%% mode: latex +%%% TeX-master: t +%%% End: diff --git a/qso.jpg b/qso.jpg new file mode 100644 index 0000000..d05ed05 Binary files /dev/null and b/qso.jpg differ