Photon - Figure Based Numerical 🔦 | Class 12 NEB Physics | Fixed Questions + PYQs with Explanation

*Photon-Based Numerical 🔦 | Class 12 NEB Physics | Fixed Questions + PYQs with Explanation | Modern Physics*

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In this video, we solve **numericals based on photon concepts**, covering **energy of a photon**, **frequency-wavelength relation**, and **photoelectric effect**. These types of questions are **frequently asked in NEB Class 12 board exams**, and we walk through fixed and previously asked questions with full clarity and formulas.

✅ Topics Covered:
🔸 Energy of a Photon: \( E = hf = \frac{hc}{\lambda} \)
🔸 Numerical based on Frequency, Wavelength, and Energy
🔸 Application of Einstein’s Photoelectric Equation
🔸 Fixed Board Questions (Very Important!)
🔸 Previous Year Questions (PYQs) Solved

📌 Perfect for NEB Class 12 Physics students preparing for board exams!

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Times
0:00 Basic Concepts from Derivation of Planck’s Constant
7:11 Important result
8:30 1st question
10:20 Question no. 2
19:20 Question no 3
29:00 Question no 4
31:55 Question no 5
35:30 Question no 6

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