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#555" title="Suggested study time: 5 minutes"><i class="fa fa-clock-o"></i> 5'</span> </ol> <article id="main-article"> <p><img alt="" src="../../basics/basic-1-1.jpg" style="float: left; width: 250px; height: 188px;">Almost all of the letters of the Greek alphabet are used to represent physical quantities and units. This is, in part, because of the limited number of characters in the English alphabet. </p> <hr class="hidden-separator"> <div class="panel panel-purple panel-has-colored-body"> <div class="panel-heading"><a class="expander" href="#"><span class="fa fa-plus"></span></a> <div> <p>Summary</p> </div> </div> <div class="panel-body"> <div> <p>The right hand column gives a common example of use, where applicable. </p> <table border="2" cellpadding="2" cellspacing="2" id="greek_table" style="text-align:left;"> <thead> <tr> <th scope="col" style="width: 13%; border-color: rgb(0, 0, 0);">Uppercase</th> <th scope="col" style="width: 17%; border-color: rgb(0, 0, 0);">Lowercase</th> <th scope="col" style="width: 30%; border-color: rgb(0, 0, 0);">Phrase</th> <th scope="col" style="width: 30%; border-color: rgb(0, 0, 0);">Example</th> </tr> </thead> <tbody> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Α</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">α</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">alpha</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Type of ionising radiation</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Β</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">β</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">beta</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Type of ionising radiation</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Γ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">γ</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">gamma</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Type of ionising radiation</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Δ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">δ</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">delta</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Change in [quantity]</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Ε</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">ε</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">epsilon</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">EMF</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Ζ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">ζ</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">zêta</td> <td style="width: 30%; border-color: rgb(0, 0, 0);"> </td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Η</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">η</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">êta</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Thermal efficiency (Engineering)</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Θ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">θ</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">thêta</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Unknown angle</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Ι</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">ι</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">iota</td> <td style="width: 30%; border-color: rgb(0, 0, 0);"> </td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Κ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">κ</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">kappa</td> <td style="width: 30%; border-color: rgb(0, 0, 0);"> </td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Λ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">λ</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">lambda</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Wavelength</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Μ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">μ</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">mu</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Unit prefix</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Ν</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">ν</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">nu</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Neutrino</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Ξ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">ξ</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">xi</td> <td style="width: 30%; border-color: rgb(0, 0, 0);"> </td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Ο</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">ο</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">omikron</td> <td style="width: 30%; border-color: rgb(0, 0, 0);"> </td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Π</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">π</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">pi</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Number (circumference of circle / diameter)</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Ρ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">ρ</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">rho</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Density</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Σ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">σ, ς</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">sigma</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Sum of [quantity]</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Τ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">τ</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">tau</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Lepton</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Υ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">υ</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">upsilon</td> <td style="width: 30%; border-color: rgb(0, 0, 0);"> </td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Φ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">φ</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">phi</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Magnetic flux</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Χ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">χ</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">chi</td> <td style="width: 30%; border-color: rgb(0, 0, 0);"> </td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Ψ</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">ψ</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">psi</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Wave function</td> </tr> <tr> <td style="width: 13%; border-color: rgb(0, 0, 0);">Ω</td> <td style="width: 17%; border-color: rgb(0, 0, 0);">ω</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">omega</td> <td style="width: 30%; border-color: rgb(0, 0, 0);">Ohm</td> </tr> </tbody> </table> </div> </div> <div class="panel-footer"> <div> </div> </div> </div> <div class="panel panel-has-colored-body panel-green"> <div class="panel-heading"><a class="expander" href="#"><span class="fa fa-plus"></span></a> <div> <p>Test Yourself</p> </div> </div> <div class="panel-body"> <div> <p><i>Use flashcards to practise your recall.</i></p> <div class="tib-flashcard"><a class="show-flashcards btn btn-success btn-xs-block btn-block " data-levels="1" data-mode="" data-topics="755" data-subject-id="6" data-n-flashcards="2" style="text-align:center">Show flashcards</a></div><hr> </div> </div> <div class="panel-footer"> <div> </div> </div> </div> <div class="page-container panel-self-assessment" data-id="206"> <div class="panel-heading">MY PROGRESS</div> <div class="panel-body understanding-rate"> <div class="msg"></div> 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