Скачать или смотреть NSEJS 2024 (Delhi NCR) Physics | Part A-2 | A ray of light travelling in a uniform transparent

🌟 NSEJS 2024 Physics | Part A2 | Delhi NCR Region | Total Internal Reflection (6 Marks)

Original Question (as given in NSEJS 2024):

A ray of light travelling in a uniform transparent medium is incident on a plane interface separating the medium from air at an angle of incidence 47°.
The ray undergoes total internal reflection.
Which of the following can be the possible value of refractive index of the medium?
(Given cos 43° = 0.73)

(a) 1.33 (b) 1.42 (c) 1.5 (d) 1.6

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✨ In this video:
• Understanding the condition for total internal reflection
• Using Snell’s law to find the refractive index
• Step-by-step solution with conceptual clarity

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🎯 Perfect for NSEJS / IJSO / Olympiad aspirants aiming to strengthen optics fundamentals.


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