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Explain the term critical angle for a pa...

Explain the term critical angle for a pair of media. Derive a relation between critical angle and refractive index of a denser medium with respect to a rarer medium.

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MODERN PUBLICATION-RAY OPTICS AND OPTICAL INSTRUMENTS-Revision Exercises (Short Answer Questions)
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  3. Explain the term critical angle for a pair of media. Derive a relation...

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  15. लेंस समीकरण (1)/(v) -(1)/(u) =(1)/(f) की सहायता से दर्शाइए कि अवतल ल...

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