BSc 2nd Year Notes

Bsc 2nd Year Physics IV Physical Optics and Lesers Long Question Part D

Bsc 2nd Year Physics IV Physical Optics and Lesers Long Question Part D :- खण्ड ‘द’ प्रश्न 16. समतल-धूवित, वृत्तीय ध्रुवित व दीर्घवृत्तीय ध्रुवित प्रकाश में समझाइए। समतल-धुवित प्रकाश से हम किस प्रकार वृत्तीय ध्रुवित व दीर्घवृत्तीय पतिप्रकाश उत्पन्न करते हैं। Explain plane polarized, circularly polarized and elliptically polarized light. How we produce circularly and […]

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Bsc 2nd Year Physics IV Physical Optics and Lesers Long Question Part E

Bsc 2nd Year Physics IV Physical Optics and Lesers Long Question Part E :- प्रश्न 23. विकिरण के ‘अवशोषण’, ‘स्वतः प्रवर्तित उत्सर्जन’ तथा ‘जयी उत्सर्जन’ को समझाइए। स्वतः प्रवर्तित तथा उद्दीपित उत्सर्जनों की संक्रमण प्रायिकता के बीच सम्बन्ध प्राप्त कीजिए। Explain the terms ‘absorption’, ‘spontaneous emission’ and ‘stimulated emission’ of radiation. Obtain a relation between

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BSc Botany 2nd Year All Semester Notes Books Download Free PDF

BSc Botany 2nd Year All Semester Notes Books Download Free PDF :-    UNIT – I Systematics : Principles of classification, Binomial nomenclature; comparative study of different classification systems, viz. Linnaeus, Bentham & Hooker, Engler & Prantl, Hutchinson, and Cronquist.” UNIT – II Taxonomic study of following families and their economic importance : Dicots ; Ranunculaceae,

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