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experiments.html
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<!DOCTYPE html>
<html>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<head >
<link rel="stylesheet" href="css/mystyle.css">
<link rel="stylesheet" href="css/experiments.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.4/jquery.min.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.4/MathJax.js?config=default'></script>
</head>
<script src="js/script.js" defer></script>
<body>
<div id="app-header"></div>
<script src="js/header.js"></script>
<p>mass per unit length of the wire(m):
<input type="number" id="mass" size="4">
Kg/m
</p>
<div class="table-container">
<table>
<tr>
<th rowspan="2">Sl.No</th>
<th rowspan="2">Load(M)</th>
<th colspan="3">Resonant Length of wire(l)</th>
<th rowspan="2">Frequency <br> $${\frac{1}{2 l} \sqrt{\frac{M g}{m}} }$$</th>
</tr>
<tr>
<th>Length<br> increasing</th>
<th>Length <br>decreasing</th>
<th>Mean</th>
</tr>
<tr>
<td>1</td>
<td><input type="number" id="load" size="4">
<select id="w_unit">
<option value="g">g</option>
<option value="Kg">Kg</option>
</select>
</td>
<td> <input type="number" id="length1" size="4"> cm
</td>
<td> <input type="number" id="length2" size="4"> cm</td>
<td>
<input type="number" id="mean" size="4"
onclick="average()" >
<select id="unit">
<option value="cm">cm</option>
<option value="m">m</option>
</select>
</td>
<td>
<button onclick="calculate()">Calculate</button>
<p id="result">result</p>
</td>
</tr>
</table>
</div>
<script>
function calculate() {
mean = document.getElementById("mean").value;
meanBox = document.getElementById("mean");
load = document.getElementById("load").value;
length1 = document.getElementById("length1").value;
length1 = parseFloat(length1);
length2 = document.getElementById("length2").value;
length2 = parseFloat(length2);
mass = document.getElementById("mass").value;
var length = (length1+length2)/2;
var unit = document.getElementById("unit");
var w_unit = document.getElementById("w_unit");
if (mean.length==0)
{
meanBox.value=length;
mean=length;
}
//unit conversion
if (unit.value=="cm"){
mean = mean/100;
}
if (w_unit.value=="g"){
load = load/1000;
}
console.log(load);
//console.log(mean);
result = Math.sqrt(load*9.8/mass)/(2*mean);
result= result.toFixed(4);
document.getElementById("result").innerHTML = result ;
}
function average() {
var mean = document.getElementById("mean");
var length1 = document.getElementById("length1").value;
var length1 = parseFloat(length1);
var length2 = document.getElementById("length2").value;
var length2 = parseFloat(length2);
var length = (length1+length2)/2;
mean.value= length;
}
</script>
</body>
</html>