Material Properties for Sound and Light

Speed of Sound at 1 atm and 20

∘^\circ

C:

Iron5950  m/sGlass (Approx)5600  m/sCopper4760  m/sLead2160  m/sRubber1550  m/sWater1461  m/sMercury1407  m/sMethanol1143  m/sEther1032  m/sHydrogen1286  m/sHelium1008  m/sAir343  m/sOxygen326  m/sCarbon dioxide269  m/s\def\arraystretch{1.5} \begin{array}{|c|c|c|} \hline \textup{Iron} & 5950\,\,\textup{m/s} \\ \textup{Glass (Approx)} & 5600\,\,\textup{m/s} \\ \textup{Copper} & 4760\,\, \textup{m/s} \\ \textup{Lead} & 2160\,\, \textup{m/s} \\ \textup{Rubber} & 1550\,\, \textup{m/s} \\ \textup{Water} & 1461\,\, \textup{m/s} \\ \textup{Mercury} & 1407\,\, \textup{m/s} \\ \textup{Methanol} & 1143\,\, \textup{m/s} \\ \textup{Ether} & 1032\,\, \textup{m/s} \\ \textup{Hydrogen} & 1286\,\, \textup{m/s} \\ \textup{Helium} & 1008\,\, \textup{m/s} \\ \textup{Air} & 343\,\, \textup{m/s} \\ \textup{Oxygen} & 326\,\, \textup{m/s} \\ \textup{Carbon dioxide} & 269\,\, \textup{m/s} \\ \hline \end{array}

Aucustic Impedance at 1 atm and 20

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C:

Hydrogen Gas111  Ns/m3Air412  Ns/m3Water1,46⋅106  Ns/m3Rubber1,47⋅106  Ns/m3Glycerin2,42⋅106  Ns/m3Quarts13,1⋅106  Ns/m3Glass (Approx)14⋅106  Ns/m3Aluminum17,3⋅106  Ns/m3Mercury19,1⋅106  Ns/m3Copper33,9⋅106  Ns/m3Steel46,4  Ns/m3Tungsten101⋅106  Ns/m3\def\arraystretch{1.5} \begin{array}{|c|c|} \hline \textup{Hydrogen Gas} & 111 \,\, \textup{Ns/m$^3$} \\ \textup{Air} & 412 \,\, \textup{Ns/m$^3$} \\ \textup{Water} & 1,46\cdot 10^6 \,\, \textup{Ns/m$^3$} \\ \textup{Rubber} & 1,47\cdot 10^6 \,\, \textup{Ns/m$^3$} \\ \textup{Glycerin} & 2,42\cdot 10^6 \,\, \textup{Ns/m$^3$} \\ \textup{Quarts} & 13,1\cdot 10^6 \,\, \textup{Ns/m$^3$} \\ \textup{Glass (Approx)} & 14\cdot 10^6 \,\, \textup{Ns/m$^3$} \\ \textup{Aluminum} & 17,3\cdot 10^6 \,\, \textup{Ns/m$^3$} \\ \textup{Mercury} & 19,1\cdot 10^6 \,\, \textup{Ns/m$^3$} \\ \textup{Copper} & 33,9\cdot 10^6 \,\, \textup{Ns/m$^3$} \\ \textup{Steel} & 46,4 \,\, \textup{Ns/m$^3$} \\ \textup{Tungsten} & 101\cdot 10^6 \,\, \textup{Ns/m$^3$} \\ \hline \end{array}

Vacuum Wavelengths and Frequencies of Light:

ColorWavelengthFrequencyViolet400−440  nm749−681   THzBlue440−480  nm681−625   THzGreen480−560  nm625−535   THzYellow560−590  nm535−508   THzOrange590−620  nm508−484   THzRed620−700  nm484−428   THz\def\arraystretch{1.5} \begin{array}{|c|c|c|} \hline \textup{Color} & \textup{Wavelength} & \textup{Frequency} \\ \hline \textup{Violet} & 400 - 440 \,\, \textup{nm} & 749 - 681 \,\,\, \textup{THz} \\ \textup{Blue} & 440 - 480 \,\, \textup{nm} & 681 - 625 \,\,\, \textup{THz} \\ \textup{Green}& 480 - 560 \,\, \textup{nm} & 625 - 535 \,\,\, \textup{THz} \\ \textup{Yellow} & 560 - 590 \,\, \textup{nm} & 535 - 508 \,\,\, \textup{THz} \\ \textup{Orange} & 590 - 620 \,\, \textup{nm} & 508 - 484 \,\,\, \textup{THz} \\ \textup{Red} & 620 - 700 \,\, \textup{nm} & 484 - 428 \,\,\, \textup{THz} \\ \hline \end{array}