[
  {
    "question_number": 1,
    "subject": "Intro",
    "topic": "Welcome to Examify",
    "question_text": "Welcome to the **Examify Demo Exam**! \n\nThis exam is designed to demonstrate the capabilities of the Examify platform, including:\n*   Rich Markdown Rendering\n*   Performance Tracking\n*   Custom Exam Creation\n\nAre you ready to explore these features?",
    "options": {
      "a": "Yes, let's start!",
      "b": "No, take me back.",
      "c": "Maybe later.",
      "d": "I'm just browsing."
    },
    "correct_answer": "a",
    "explanation": "Great! Let's dive in. This exam will walk you through the core features of Examify. Note how typical questions look and feel.",
    "difficulty": "Easy"
  },
  {
    "question_number": 2,
    "subject": "Mathematics",
    "topic": "Calculus - Integration (MathJax)",
    "question_text": "Examify supports **MathJax** for rendering complex mathematical equations. \n\nEvaluate the following integral:\n\n$$ \\int_{0}^{\\pi} \\sin(x) \\, dx $$",
    "options": {
      "a": "0",
      "b": "1",
      "c": "2",
      "d": "$\\pi$"
    },
    "correct_answer": "c",
    "explanation": "The integral of $\\sin(x)$ is $-\\cos(x)$.\n\nEvaluating from $0$ to $\\pi$:\n$$ [-\\cos(x)]_{0}^{\\pi} = (-\\cos(\\pi)) - (-\\cos(0)) $$\n$$ = (-(-1)) - (-1) = 1 + 1 = 2 $$",
    "difficulty": "Medium"
  },
  {
    "question_number": 3,
    "subject": "CS - Python",
    "topic": "Code Syntax Highlighting",
    "question_text": "We also support **Syntax Highlighting** for code blocks. \n\nWhat is the output of this Python snippets?\n\n```python\ndef greet(name):\n    return f\"Hello, {name}!\"\n\nprint(greet(\"Examify\"))\n```",
    "options": {
      "a": "Hello, Examify!",
      "b": "Hello, name!",
      "c": "Error: undefined function",
      "d": "greet(\"Examify\")"
    },
    "correct_answer": "a",
    "explanation": "The code defines a function `greet` that takes a name and returns a formatted string. Calling `greet(\"Examify\")` returns `\"Hello, Examify!\"`, which is then printed.",
    "difficulty": "Easy"
  },
  {
    "question_number": 4,
    "subject": "General",
    "topic": "Rich Text - Tables",
    "question_text": "Markdown tables are perfect for structured data. \n\nBased on the table below, which Fruit has the color 'Red'?\n\n| Fruit  | Color  | Taste |\n|:-------|:-------|:------|\n| Apple  | Red    | Sweet |\n| Banana | Yellow | Sweet |\n| Lemon  | Yellow | Sour  |",
    "options": {
      "a": "Banana",
      "b": "Lemon",
      "c": "Apple",
      "d": "None"
    },
    "correct_answer": "c",
    "explanation": "Looking at the table row for **Apple**, the Color column clearly states **Red**.",
    "difficulty": "Easy"
  },
  {
    "question_number": 5,
    "subject": "Examify Features",
    "topic": "Performance Tracking - Scoring",
    "question_text": "**How is your score calculated?**\n\nExamify tracks your performance in real-time. In this specific demo exam, the settings are:\n*   **Correct Answer**: +4 marks\n*   **Incorrect Answer**: -1 mark\n\nIf you answer this question correctly, what happens?",
    "options": {
      "a": "I get 1 point.",
      "b": "I get 4 marks added to my score.",
      "c": "I lose 1 mark.",
      "d": "Nothing happens."
    },
    "correct_answer": "b",
    "explanation": "Correct! In this positive marking scheme, a correct answer awards you full marks (+4). Watch out for negative marking on incorrect guesses!",
    "difficulty": "Easy"
  },
  {
    "question_number": 6,
    "subject": "Examify Features",
    "topic": "Performance Tracking - Unattempted",
    "question_text": "**What about skipped questions?**\n\nIf you choose not to answer a question (leave it 'Unattempted'), how does it affect your score?",
    "options": {
      "a": "It counts as incorrect (-1).",
      "b": "It awards partial points (+1).",
      "c": "No marks are added or deducted (0 change).",
      "d": "The exam cannot be submitted."
    },
    "correct_answer": "c",
    "explanation": "Unattempted questions typically result in **0** marks. It is often a strategic choice to skip a question if you are unsure, to avoid the penalty of negative marking.",
    "difficulty": "Medium"
  },
  {
    "question_number": 7,
    "subject": "Examify Features",
    "topic": "Custom Exams - Format",
    "question_text": "**Create Your Own Exams!**\n\nExamify allows you to upload your own exams. What file format must your custom exam be in?",
    "options": {
      "a": ".docx (Word Document)",
      "b": ".pdf (PDF Document)",
      "c": ".json (JavaScript Object Notation)",
      "d": ".txt (Text File)"
    },
    "correct_answer": "c",
    "explanation": "Examify uses **JSON** files to structure questions. This allows for rich metadata, flexible options, and consistent parsing.",
    "difficulty": "Medium"
  },
  {
    "question_number": 8,
    "subject": "Examify Features",
    "topic": "Custom Exams - Schema",
    "question_text": "When creating a custom JSON exam, which of the following fields is **MANDATORY** for every question object?",
    "options": {
      "a": "difficulty",
      "b": "explanation",
      "c": "topic",
      "d": "question_text"
    },
    "correct_answer": "d",
    "explanation": "Every question MUST have a `question_text`, `options`, and a `correct_answer`. Fields like `difficulty`, `topic`, and `explanation` are optional but highly recommended for a better experience.",
    "difficulty": "Hard"
  },
  {
    "question_number": 9,
    "subject": "Physics",
    "topic": "Visual Learning (Images)",
    "question_text": "Images can be seamlessly integrated into questions. \n\nWhat phenomenon is shown in this image?\n\n![Prism Light Refraction](https://upload.wikimedia.org/wikipedia/commons/0/06/Prism_rainbow_schema.png)",
    "options": {
      "a": "Reflection",
      "b": "Dispersion",
      "c": "Diffraction",
      "d": "Interference"
    },
    "correct_answer": "b",
    "explanation": "This is **Dispersion**. White light separates into its constituent colors (spectrum) when passing through a prism because different wavelengths refract by different amounts.",
    "difficulty": "Easy"
  },
  {
    "question_number": 10,
    "subject": "Physics",
    "topic": "Complex Explanations",
    "question_text": "A projectile is fired with an initial velocity $v_0$ at an angle $\\theta$ to the horizontal. Neglecting air resistance, what is the formula for the **maximum height** ($H$) reached?\n\n*Hint: Think about vertical velocity component.*",
    "options": {
      "a": "$H = \\frac{v_0^2 \\sin(2\\theta)}{g}$",
      "b": "$H = \\frac{v_0 \\sin(\\theta)}{g}$",
      "c": "$H = \\frac{v_0^2 \\sin^2(\\theta)}{2g}$",
      "d": "$H = v_0 t + \\frac{1}{2}at^2$"
    },
    "correct_answer": "c",
    "explanation": "To derive the maximum height:\n\n1.  **Vertical Velocity**: $v_y = v_0 \\sin(\\theta)$\n2.  At max height, final vertical velocity $v_f = 0$.\n3.  Using the kinematic equation $v_f^2 = v_i^2 + 2a d$:\n    *   $0 = (v_0 \\sin(\\theta))^2 - 2gH$\n    *   $2gH = v_0^2 \\sin^2(\\theta)$\n    *   $$H = \\frac{v_0^2 \\sin^2(\\theta)}{2g}$$\n\nOption (a) is the Range, and (b) is the Time of Flight (half).",
    "difficulty": "Hard"
  }
]