virtual lab 4.0

AAPBITI VIRTUAL LAB CENTER Interactive STEM Lab with Real-Time Graph Plotter CLASS Class 12th Class 11th Class 10th Class 9th SUBJECT Physics Chemistry Biology EXPERIMENT LAB SYSTEM STANDBY Select your class and experiment to load the engine. Data Observation Table Plot Point on Graph Clear All Data &copy; 2025 Aapbiti News Education Unit | Security Enabled // --- EXPERIMENT DATABASE (Class-wise) --- const labData = { "12-physics": [ { name: "Ohm's Law (Advanced)", url: "https://phet.colorado.edu/sims/html/ohms-law/latest/ohms-law_en.html", x: "Voltage (V)", y: "Current (A)" }, { name: "Capacitance Study", url: "https://phet.colorado.edu/sims/html/capacitor-lab-basics/latest/capacitor-lab-basics_en.html", x: "Plate Area", y: "Capacitance" }, { name: "Coulomb's Law", url: "https://phet.colorado.edu/sims/html/coulombs-law/latest/coulombs-law_en.html", x: "Distance (r)", y: "Force (F)" }, { name: "Photoelectric Effect", url: "https://phet.colorado.edu/sims/html/photoelectric-effect/latest/photoelectric-effect_en.html", x: "Frequency", y: "Kinetic Energy" } ], "11-physics": [ { name: "Projectile Motion", url: "https://phet.colorado.edu/sims/html/projectile-motion/latest/projectile-motion_en.html", x: "Angle (Deg)", y: "Range (m)" }, { name: "Hooke's Law", url: "https://phet.colorado.edu/sims/html/masses-and-springs-basics/latest/masses-and-springs-basics_en.html", x: "Displacement", y: "Force" }, { name: "Pendulum Motion", url: "https://phet.colorado.edu/sims/html/pendulum-lab/latest/pendulum-lab_en.html", x: "Length (L)", y: "Time Period (T)" } ], "10-physics": [ { name: "Ohm's Law (Basic)", url: "https://phet.colorado.edu/sims/html/ohms-law/latest/ohms-law_en.html", x: "Voltage (V)", y: "Current (A)" }, { name: "Bending Light (Refraction)", url: "https://phet.colorado.edu/sims/html/bending-light/latest/bending-light_en.html", x: "Angle i", y: "Angle r" } ], "10-chemistry": [ { name: "pH Scale Basics", url: "https://phet.colorado.edu/sims/html/ph-scale/latest/ph-scale_en.html", x: "H+ Concentration", y: "pH Level" }, { name: "Balancing Equations", url: "https://phet.colorado.edu/sims/html/balancing-chemical-equations/latest/balancing-chemical-equations_en.html" } ], "9-physics": [ { name: "Forces and Motion", url: "https://phet.colorado.edu/sims/html/forces-and-motion-basics/latest/forces-and-motion-basics_en.html", x: "Applied Force", y: "Acceleration" }, { name: "Gravity Basics", url: "https://phet.colorado.edu/sims/html/gravity-force-lab-basics/latest/gravity-force-lab-basics_en.html", x: "Mass", y: "Force" } ] }; // --- GLOBAL VARIABLES --- let currentChart = null; const plotX = []; const plotY = []; // --- GRAPHING LOGIC --- function initNewChart(labelX, labelY) { const ctx = document.getElementById('canvasChart').getContext('2d'); if (currentChart) { currentChart.destroy(); // Clear old chart } currentChart = new Chart(ctx, { type: 'line', data: { labels: plotX, datasets: [{ label: `${labelY} vs ${labelX}`, data: plotY, borderColor: '#cc0000', backgroundColor: 'rgba(204,0,0,0.1)', borderWidth: 2, tension: 0.3, fill: true, pointRadius: 5, pointBackgroundColor: '#002b5b' }] }, options: { responsive: true, scales: { x: { title: { display: true, text: labelX } }, y: { title: { display: true, text: labelY } } } } }); } function plotPoint() { const vx = document.getElementById('val-x').value; const vy = document.getElementById('val-y').value; if (vx === "" || vy === "") return; plotX.push(vx); plotY.push(vy); // Sort data for clean line plotting let combined = plotX.map((k, i) => [k, plotY[i]]); combined.sort((a, b) => a[0] - b[0]); plotX.length = 0; plotY.length = 0; combined.forEach(pair => { plotX.push(pair[0]); plotY.push(pair[1]); }); currentChart.update(); document.getElementById('val-x').value = ''; document.getElementById('val-y').value = ''; } function resetLabGraph() { plotX.length = 0; plotY.length = 0; currentChart.update(); } // --- NAVIGATION LOGIC --- function loadExpList() { const cls = document.getElementById('sel-class').value; const sub = document.getElementById('sel-sub').value; const key = `${cls}-${sub}`; const list = labData[key] || []; let html = '-- Click to Select --'; list.forEach((item, i) => { html += `${item.name}`; }); document.getElementById('sel-exp').innerHTML = html; } function initLab() { const cls = document.getElementById('sel-class').value; const sub = document.getElementById('sel-sub').value; const idx = document.getElementById('sel-exp').value; const key = `${cls}-${sub}`; if (idx !== "") { const data = labData[key][idx]; document.getElementById('lab-frame').src = data.url; document.getElementById('wait-msg').style.display = 'none'; if (data.x) { document.getElementById('graph-panel').style.display = 'block'; document.getElementById('axis-x-label').innerText = data.x.toUpperCase(); document.getElementById('axis-y-label').innerText = data.y.toUpperCase(); plotX.length = 0; plotY.length = 0; initNewChart(data.x, data.y); } else { document.getElementById('graph-panel').style.display = 'none'; } } } // --- PROTECTION --- document.addEventListener('contextmenu', e => e.preventDefault()); document.onkeydown = function(e) { if(e.keyCode == 123 || (e.ctrlKey && e.keyCode == 'U'.charCodeAt(0))) return false; }; // Run default loadExpList();

virtual lab 4.0

AAPBITI VIRTUAL LAB CENTER

LAB SYSTEM STANDBY

Data Observation Table

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