12th physics imp questions 2025 hsc board

<p>Here's a simplified list of important <strong>Physics topics</strong> for your <strong>12th HSC Board 2025</strong> exam preparation:</p><h3><strong>1. Electrostatics</strong></h3><ul><li>Coulomb's law and its applications.</li><li>Electric field and potential.</li><li>Capacitors and their formulae.</li></ul><h3><strong>2. Current Electricity</strong></h3><ul><li>Ohm's law and Kirchhoff's laws.</li><li>Wheatstone bridge.</li><li>Electrical power and energy.</li></ul><h3><strong>3. Magnetism</strong></h3><ul><li>Magnetic field due to a current (Biot-Savart law).</li><li>Ampere's law.</li><li>Working of a galvanometer.</li></ul><h3><strong>4. Electromagnetic Induction &amp; AC</strong></h3><ul><li>Faraday's law and Lenz's law.</li><li>AC circuits with resistors and inductors.</li></ul><h3><strong>5. Optics</strong></h3><ul><li>Refraction through a prism.</li><li>Lens formula and magnification.</li><li>Young's double-slit experiment.</li></ul><h3><strong>6. Modern Physics</strong></h3><ul><li>Photoelectric effect.</li><li>Bohr's atomic model.</li><li>Nuclear energy (fission and fusion).</li></ul><h3><strong>7. Communication Systems</strong></h3><ul><li>EM wave propagation.</li><li>Types of modulation (AM, FM).</li></ul><h3><strong>Tips</strong>:</h3><ul><li>Solve past papers.</li><li>Practice numericals.</li><li>Focus on important derivations.</li></ul><p>&nbsp;</p>

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