data/27.json
{
"definitions" : {
"v" : [ {
"Q13824" : "phase velocity (rate at which the phase of the wave propagates in space)"
} ],
"c" : [ {
"Q2111" : "speed of light (speed at which all massless particles and associated fields travel in vacuum)"
} ],
"n" : [ {
"Q174102" : "Refractive index (optical characteristic of a material)"
} ]
},
"constraints" : [ ],
"math_inputtex" : "v = \\frac{c}{n}",
"math_inputtex_semantic" : "\\w{Q13824}{v} = \\frac{\\w{Q2111}{c}}{\\w{Q174102}{n}}",
"correct_tex" : "v = \\frac{c}{n}",
"correct_mml" : "<math xmlns=\"http://www.w3.org/1998/Math/MathML\" id=\"p1.1.m1.1\" class=\"ltx_Math\" alttext=\"v=\\frac{c}{n}\" display=\"inline\">\n <semantics id=\"p1.1.m1.1a\">\n <mrow id=\"p1.1.m1.1.4\" xref=\"p1.1.m1.1.4.cmml\">\n <mi id=\"p1.1.m1.1.1\" xref=\"p1.1.m1.1.1.cmml\">v</mi>\n <mo id=\"p1.1.m1.1.2\" xref=\"p1.1.m1.1.2.cmml\">=</mo>\n <mfrac id=\"p1.1.m1.1.3\" xref=\"p1.1.m1.1.3.cmml\">\n <mi id=\"p1.1.m1.1.3.2\" xref=\"p1.1.m1.1.3.2.cmml\">c</mi>\n <mi id=\"p1.1.m1.1.3.3\" xref=\"p1.1.m1.1.3.3.cmml\">n</mi>\n </mfrac>\n </mrow>\n <annotation-xml encoding=\"MathML-Content\" id=\"p1.1.m1.1b\">\n <apply id=\"p1.1.m1.1.4.cmml\" xref=\"p1.1.m1.1.4\">\n <eq id=\"p1.1.m1.1.2.cmml\" xref=\"p1.1.m1.1.2\"/>\n <csymbol cd=\"latexml\" id=\"p1.1.m1.1.1.cmml\" xref=\"p1.1.m1.1.1\">Q13824</csymbol>\n <apply id=\"p1.1.m1.1.3.cmml\" xref=\"p1.1.m1.1.3\">\n <divide id=\"p1.1.m1.1.3.1.cmml\" xref=\"p1.1.m1.1.3\"/>\n <csymbol cd=\"latexml\" id=\"p1.1.m1.1.3.2.cmml\" xref=\"p1.1.m1.1.3.2\">Q2111</csymbol>\n <csymbol cd=\"latexml\" id=\"p1.1.m1.1.3.3.cmml\" xref=\"p1.1.m1.1.3.3\">Q174102</csymbol>\n </apply>\n </apply>\n </annotation-xml>\n <annotation encoding=\"application/x-tex\" id=\"p1.1.m1.1c\">v=\\frac{c}{n}</annotation>\n </semantics>\n</math>",
"uri" : "https://en.formulasearchengine.com/w/index.php?oldid=2623#math2623.0",
"title" : "Dispersion_(optics)",
"type" : "definition"
}