A beam of light consisting of a known wavelength 520 nm and an unknown wavelength λ, used in Young’s
Автор: Dr.Abu's Coaching Classes
Загружено: 2025-12-30
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Описание:
CBSE PYQ Code 55-1-1 Question no : 33 b (iii)
In this video, we solve an important CBSE Class 12 Physics 2024 Board Question – Code 55/1/1, Q33(b)(iii) based on Young’s Double Slit Experiment (YDSE).
🔹 Given:
• Known wavelength = 520 nm
• Fourth bright fringe of unknown wavelength coincides with fifth bright fringe of known wavelength
🔹 Find:
✔️ The value of the unknown wavelength λ
This problem is explained clearly using the fringe coincidence condition and step-by-step derivation — perfect for board exam preparation.
📌 Ideal for:
• CBSE Class 12 Physics students
• Wave optics numericals
• Board PYQ revision
• Understanding YDSE fringe formula
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