Скачать или смотреть Distribution of Oceans and Continents - Physical Geography | Free UPSC NCERT | Lecture - 3

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🌍 Lecture 2: Interior of the Earth | Free UPSC NCERT Series

Welcome back to the Free UPSC NCERT Series by PW OnlyIAS!
In this session, Harpreet Sir will cover one of the most important topics in Physical Geography — Interior of the Earth — as per the NCERT syllabus for UPSC Prelims & Mains.

📌 What you’ll learn in this lecture:

Layers of the Earth: Crust, Mantle, Core

Earthquake Waves & what they reveal

Discontinuities: Mohorovicic, Gutenberg, Lehmann

NCERT-based facts + UPSC exam perspective

🎯 Ideal for: UPSC 2025, 2026, 2027 aspirants
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Batch Detials:

Complete NCERT Coverage for UPSC – Absolutely Free! 🔥

Are you struggling to cover NCERTs for UPSC? Don’t worry! In this series, we are providing complete Class 6th to 12th NCERTs for UPSC preparation – explained in a simple and conceptual manner.

✨ What You Will Get:
✔️ Chapter-wise detailed lectures
✔️ Free Class Notes on PW App
✔️ Clear conceptual understanding
✔️ Direct relevance to UPSC Prelims & Mains
✔️ Free of cost – your one-stop NCERT solution

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⏳ Timestamps:

00:00 - Introduction
02:13 - Topics to be covered
03:49 - Distribution of Continents and Oceans
07:06 - Old theory - Edward Suess
12:09 - Modern theory
26:50 - Alferd Wegner’s theory
57:19 - Convection Current theory
01:10:17 - Sea floor theories
01:19:37 - Plate tectonic theory
01:50:05 - Thank You Bachhon
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