⚛️💡 IIT JEE Modern Physics PYQs (2017–2018) | Atomic Transitions, Radioactivity, de-Broglie 🔬✨ скачать в хорошем качестве

⚛️💡 IIT JEE Modern Physics PYQs (2017–2018) | Atomic Transitions, Radioactivity, de-Broglie 🔬✨

📘 🔥 Dive into the most conceptually rich and calculation-based Modern Physics questions from IIT JEE Main & Advanced (2017–2018)! This session blends Atomic Spectra, Radioactivity, de-Broglie Waves, and Photoelectric Effect — all explained with crystal clarity, visual diagrams, and exam-level precision! 🎯 🌟 Topics Covered 💠 1️⃣ Molecular Energy Levels (2017 Main) Understand how to find wavelength ratios (λ₁/λ₂) for energy-level transitions in molecules using the energy–wavelength inverse relation 📶 💠 2️⃣ Radioactive Decay Dynamics (2017 Main) Learn to derive time ‘t’ from the ratio N_B / N_A = 0.3, using decay constant (λ) and half-life (T₁/₂) ⏱️☢️ 💠 3️⃣ Elastic Collisions & Quantum Waves (2017 Main) Relate momentum exchange in head-on elastic collisions to the de-Broglie wavelength ratio λ_A / λ_B, connecting mechanics and quantum physics ⚙️➡️🌊 💠 4️⃣ Photoelectric Effect with Δλ Analysis (2017 Adv.) Explore how a small change in incident wavelength (Δλ) affects the de-Broglie wavelength (Δλ_d) of emitted photoelectrons — a perfect mix of Einstein’s equation + de-Broglie relation 📤⚛️ 💠 5️⃣ Radioisotope Blood Activity Problem (2017 Adv.) Solve a real-life biomedical physics question involving Iodine-131 decay, activity drop, and estimation of total blood volume 🩸📉 💠 6️⃣ Hydrogen Series Limit Problem (2018 Main) Find how series limit frequencies (νₗ, νₚ) relate for Lyman and Pfund series using Rydberg’s formula 🔭📏 💠 7️⃣ Large-n Limit in Hydrogen (2018 Main) Analyze asymptotic behavior of photon wavelength (Λₙ) and de-Broglie wavelength (λₙ) for n → ∞, identifying constants A, B from Bohr’s model expansion 📐📈 💠 8️⃣ Semiconductor Diode Measurement (2018 Main) Interpret a Si diode I–V characteristic to read ammeter current, emphasizing junction behavior and bias conditions 🔋📊 💠 9️⃣ Hydrogen-like Ion Transition (2018 Adv.) Compute atomic number Z for a one-electron ion, given energy difference = 74.8 eV between spectral lines — precise use of Eₙ ∝ Z² / n² 🔢⚡ 💠 🔟 Photoelectric Force on Anode (2018 Adv.) Relate photon power → emitted electrons → anode impact force, combining energy, current, and momentum conservation 🧮💥 💫 🧠📚 💬 📢 Don’t forget to 👍 Like, 🔁 Share, and 🔔 Subscribe for upcoming JEE PYQ marathons! #ModernPhysics #JEEPYQ #BohrModel #deBroglie #Radioactivity #PhotoelectricEffect #SemiconductorDiode #QuantumMechanics #PhysicsIIT #JEEMain #JEEAdvanced #NEETPhysics