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{
"slide": 1,
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"text_description": "Master the Sample Paper\nYour roadmap to 70/70 begins with one paper.",
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"slide": 2,
"fragments": [
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"fragment_index": 1,
"text_description": "Paper Anatomy",
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"fragment_index": 2,
"text_description": "CBSE Physics Sample-Paper Structure",
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{
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"text_description": "Blueprint: five sections (A–E), 33 questions, 70 marks. A: 18 MCQs ×1 mark. B: 7 very-short answers ×2 marks. C: 5 short answers ×3 marks. D: 2 case-based questions ×4 marks. E: 1 long answer ×5 marks. Question style evolves from objective to descriptive. Time tip: spend about one minute per mark. That budgets 18-14-15-8-5 minutes, leaving 10 spare.",
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{
"fragment_index": 4,
"text_description": "Know the map, spot easy marks quickly.",
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]
},
{
"slide": 3,
"fragments": [
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"text_description": "Navigate Sections\nTreat the paper like stairs—each section needs its own stride.",
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"text_description": "1\nMap Marks ⇒ Minutes\nList marks for Sections A–E, then assign roughly 1.2 minutes to each mark.",
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"text_description": "2\nSection A – MCQ Blitz\nAttempt 1-mark MCQs first; 30 seconds each builds quick momentum.",
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"text_description": "3\nB & C – Short Answer Depth\nFor 2–3 mark questions, spend ~2.5 min per mark; include key formula and unit.",
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"text_description": "4\nD & E – Case Study Reasoning\nInvest 3 min per mark analysing data, structuring logic, and quoting evidence.",
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"fragment_index": 5,
"text_description": "5\n10-Minute Buffer\nUse leftover time to review diagrams, units, and flagged doubts.",
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{
"fragment_index": 6,
"text_description": "Pro Tip:\nReading time + buffer yields 25 minutes of calm thinking—guard it fiercely.",
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]
},
{
"slide": 4,
"fragments": [
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"text_description": "Multiple Choice Question\nCorrect!\nYes. Potential drops along +X, so \\(V_A\\) is higher than \\(V_B\\).\nIncorrect\nRemember: electric potential decreases in the field’s direction. Apply this logic to compare \\(V_A\\) and \\(V_B\\).\nconst correctOption = 1;\n const answerCards = document.querySelectorAll('.answer-card');\n const submitBtn = document.getElementById('submitBtn');\n const feedbackCorrect = document.getElementById('feedbackCorrect');\n const feedbackIncorrect = document.getElementById('feedbackIncorrect');\n\n let selectedOption = null;\n\n answerCards.forEach((card, index) => {\n card.addEventListener('click', () => {\n answerCards.forEach(c => c.classList.remove('border-blue-500', 'bg-blue-50'));\n card.classList.add('border-blue-500', 'bg-blue-50');\n selectedOption = index;\n });\n });\n\n submitBtn.addEventListener('click', () => {\n if (selectedOption === null) return;\n if (selectedOption === correctOption) {\n feedbackCorrect.classList.remove('hidden');\n feedbackIncorrect.classList.add('hidden');\n } else {\n feedbackIncorrect.classList.remove('hidden');\n feedbackCorrect.classList.add('hidden');\n }\n });",
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"fragment_index": 1,
"text_description": "Question\nA uniform electric field points along +X. Compare the electric potential at A (x = 0) and B (x = +1 cm). Choose the logically correct statement.",
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"fragment_index": 2,
"text_description": "1\n\\(V_A < V_B\\)",
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{
"fragment_index": 3,
"text_description": "2\n\\(V_A > V_B\\)",
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"fragment_index": 4,
"text_description": "3\n\\(V_A = V_B\\)",
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"fragment_index": 5,
"text_description": "Hint:\nElectric potential decreases in the direction of the field—use this trend, not memorised sign rules.",
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{
"fragment_index": 6,
"text_description": "Submit Answer",
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]
},
{
"slide": 5,
"fragments": [
{
"fragment_index": -1,
"text_description": "Diagram Decoding",
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{
"fragment_index": 2,
"text_description": "Head-On Collision Mystery",
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{
"fragment_index": 3,
"text_description": "P and Q are identical positive charges moving left at equal speed.",
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{
"fragment_index": 4,
"text_description": "Your task: deduce the unseen magnetic field from their curved tracks.",
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"text_description": "Key Points:\nLorentz force: \\( \\mathbf{F}=q\\mathbf{v}\\times\\mathbf{B} \\) ⟂ velocity, so paths turn circularly.\nUse Fleming’s left-hand rule to decide if \\( \\mathbf{B} \\) is into or out of the page.\nField magnitude formula: \\( B = \\frac{m v}{q r} \\).",
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},
{
"slide": 6,
"fragments": [
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"fragment_index": -1,
"text_description": "Section C Sketch",
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"text_description": "Grazing Ray in Right-Angle Prism\nGoal: translate prism geometry into its refractive index.\nA horizontal ray meets the 45° face and refracts to travel along the base.\nKey Points:\nSnell’s law at play: \\(1\\sin 45^{\\circ}=n\\sin 90^{\\circ}\\Rightarrow n=\\sqrt{2}\\).\nCritical angle check: grazing ray implies \\(r=90^{\\circ}\\) so \\(C=45^{\\circ}\\).\nIdentical reasoning earns 3 marks in CBSE Section C.",
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},
{
"slide": 7,
"fragments": [
{
"fragment_index": -1,
"text_description": "Case Study Tactics",
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{
"fragment_index": 1,
"text_description": "Electron path in uniform magnetic field",
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"text_description": "Electron’s Motion in Magnetic Field\nDecide if motion is circular or helical. Then predict how speed alters radius, pitch, but never period.",
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"text_description": "Key Points:\n\\(v \\perp B\\) only ⇒ circle; \\(r=\\frac{mv}{qB}\\).\nAdd \\(v_{\\parallel}\\) ⇒ helix; pitch \\(p=v_{\\parallel}T\\).\nDoubling \\(v\\) doubles \\(r\\) & \\(p\\); \\(T=\\frac{2\\pi m}{qB}\\) stays same.\nSpot these patterns to ace motion-in-field questions.",
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]
},
{
"slide": 8,
"fragments": [
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"text_description": "Sort the Questions\nCheck Answers\nResults\n// Drag and drop functionality\n const draggableItems = document.querySelectorAll('.draggable-item');\n const dropZones = document.querySelectorAll('.drop-zone');\n const checkAnswersBtn = document.getElementById('checkAnswersBtn');\n const feedbackArea = document.getElementById('feedbackArea');\n const feedbackContent = document.getElementById('feedbackContent');\n\n draggableItems.forEach(item => {\n item.addEventListener('dragstart', handleDragStart);\n item.addEventListener('dragend', handleDragEnd);\n });\n\n dropZones.forEach(zone => {\n zone.addEventListener('dragover', handleDragOver);\n zone.addEventListener('drop', handleDrop);\n zone.addEventListener('dragenter', handleDragEnter);\n zone.addEventListener('dragleave', handleDragLeave);\n });\n\n function handleDragStart(e) {\n e.target.classList.add('opacity-50');\n e.dataTransfer.setData('text/plain', e.target.dataset.id);\n }\n\n function handleDragEnd(e) {\n e.target.classList.remove('opacity-50');\n }\n\n function handleDragOver(e) {\n e.preventDefault();\n }\n\n function handleDragEnter(e) {\n e.preventDefault();\n e.target.closest('.drop-zone').classList.add('border-green-500', 'bg-green-50');\n }\n\n function handleDragLeave(e) {\n e.target.closest('.drop-zone').classList.remove('border-green-500', 'bg-green-50');\n }\n\n function handleDrop(e) {\n e.preventDefault();\n const dropZone = e.target.closest('.drop-zone');\n dropZone.classList.remove('border-green-500', 'bg-green-50');\n\n const itemId = e.dataTransfer.getData('text/plain');\n const draggedItem = document.querySelector(`[data-id=\"${itemId}\"]`);\n\n if (draggedItem && dropZone) {\n dropZone.appendChild(draggedItem);\n dropZone.querySelector('.text-center').style.display = 'none';\n }\n }\n\n // Check answers functionality (basic feedback demo)\n checkAnswersBtn.addEventListener('click', () => {\n feedbackArea.classList.remove('hidden');\n feedbackContent.innerHTML = '<p class=\"text-green-600\">Answers checked! Review your placements above.</p>';\n });",
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{
"fragment_index": 1,
"text_description": "Drag every sample question to the section box you expect, predicting its mark weight.",
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},
{
"fragment_index": 2,
"text_description": "Draggable Items\nMCQ on Ohm’s law\nDiagram-based 3 marks\nCase study graph\nLong derivation 5 marks",
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{
"fragment_index": 3,
"text_description": "Drop Zones\nSection A\nSection B\nSection C\nSection D\nSection E",
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{
"fragment_index": 4,
"text_description": "Tip:\nA: MCQ 1 mark, B: very short 1 mark, C: short 3 marks, D: long 5 marks, E: case study.",
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]
},
{
"slide": 9,
"fragments": [
{
"fragment_index": -1,
"text_description": "Graph Questions",
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"fragment_index": 2,
"text_description": "Reading the Binding-Energy Peak\nBinding energy per nucleon rises and peaks near iron, then slowly falls.\nReactions that move nuclei uphill on this curve release the energy gap.",
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{
"fragment_index": 3,
"text_description": "Key Points:\nHeavy nuclei (A > 200) split—fission drives fragments toward the peak, releasing ≈ 200 MeV.\nLight nuclei (A < 20) fuse—fusion climbs the slope and powers stars.\nIron–nickel peak is a stability plateau; further change yields almost no energy.",
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}
]
},
{
"slide": 10,
"fragments": [
{
"fragment_index": -1,
"text_description": "Your Action Plan\nThank You!\nUse this checklist to drive every practice session.",
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{
"fragment_index": 1,
"text_description": "Follow the practice order: Section A (15 min) → Section B → long answers.",
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},
{
"fragment_index": 2,
"text_description": "Use self-timing: keep a stopwatch visible and write target times beside questions.",
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},
{
"fragment_index": 3,
"text_description": "Sketch diagrams in pencil first; ink only after labels and proportions look right.",
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},
{
"fragment_index": 4,
"text_description": "Finish with error analysis: match marks to time spent, list weak topics, re-solve them.",
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}
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}
]