Young’s Double Slit Experiment | Interference of Light Waves | 12 NBF Physics Ch 18

Описание: Young’s Double Slit Experiment | Interference of Light Waves | 12 NBF Physics Ch 18
Chapter 18: Diffraction and Interference | Class 12 Physics (Federal Board – NBF Book 2025)
Topic: Interference of Light Waves (Young’s Double Slit Experiment – YDSE)

Welcome to the Class 12 Physics Lecture Series based on the NBF Book, Federal Board (FBISE) 2025 edition. In this lecture, we explain the phenomenon of interference of light waves through Young’s Double Slit Experiment (YDSE) with full concept clarity and board exam focus.

📌 What You Will Learn in This Video:

What is Interference of Light?

Constructive and Destructive Interference

Young’s Double Slit Experiment (YDSE) setup and working

Formula for Fringe Width: Δy = λD/d

Effect of Wavelength, Slit Separation, and Distance on Fringe Width

Conditions for Sustained Interference

Applications of Interference in Daily Life

💡 Why This Topic is Important:

Direct board questions are asked from this topic.

Understanding YDSE builds concepts for advanced wave optics.

Helps in numericals and MCQs from Chapter 18: Diffraction and Interference.

📚 This lecture is fully aligned with Federal Board (FBISE) and other boards following NBF Physics Book 2025 syllabus.

🎓 Watch more lectures from Chapter 18 (Diffraction & Interference):

Diffraction of Light at a Single Slit

Diffraction Grating & Applications

Interference and Diffraction in Daily Life

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