🌍 Origin of Earth | NCERT Geography Complete Class | Assistant Professor – 1st Grade – UP LT – KVS–NVS – EMRS | By Suraj Sir 🚀
🔥 Earth की उत्पत्ति (Origin of Earth) Geography का सबसे BASIC लेकिन EXAM-FAVORITE chapter है—
और हर Teaching Exam में NCERT Class 11: Physical Geography से सीधे questions पूछे जाते हैं!
इस One-Shot NCERT Class में Suraj Sir (Assistant Professor – Geography) समझाएँगे—
📘 Nebular Hypothesis
📘 Big Bang Theory
📘 Planetesimal Theory
📘 Tidal Hypothesis
📘 Modern Scientific Views
📘 NCERT Lines + Diagrams + Exam MCQs
✨ Best for — Assistant Professor | 1st Grade | 2nd Grade | UP LT | KVS–NVS | EMRS | UGC NET Geography
📚 What You’ll Learn in This Class:
⭐ 1. Big Bang Theory
• Universe Formation
• Red Shift Evidence
• Expansion of Universe
• NCERT Highlighted Points
⭐ 2. Nebular Hypothesis (Kant–Laplace)
✔ Formation of Sun
✔ Spinning Nebula
✔ Accretion Process
✔ Why this theory is widely accepted?
⭐ 3. Planetesimal Theory (Chamberlin & Moulton)
• Small solid bodies → Planets
• Collision hypothesis
• Strengths & criticism
⭐ 4. Tidal Hypothesis (Jeans–Jeffreys)
• Close encounter theory
• Solar material ejection
• Why modern science rejects this?
⭐ 5. Modern Concepts
• Supernova Cloud Theory
• Protoplanet Hypothesis
• Solar Nebular Disk Model (SNDM)
• Earth’s early cooling & differentiation
⭐ 6. NCERT-Based Diagrams
✔ Solar Nebula
✔ Formation of Planets
✔ Structure of Early Earth
⭐ 7. PYQs + Expected Questions
• Assistant Professor
• 1st Grade
• UP LT Grade
• KVS–NVS
• EMRS TGT–PGT
• UGC NET Geography
👨🏫 Mentor: Suraj Sir | Assistant Professor (Geography)
🏫 Platform: Apni University
🌟 Why This Class is Important:
✨ All teaching exams repeat NCERT origin theories
✨ Clear Explanation + Quick Notes
✨ One Class = Complete Concept + MCQs
✨ Perfect for beginners & revision for advanced students
💡 Exam Tip:
✔ For Teaching Exams, Nebular Hypothesis + Big Bang = MOST REPEATED 🎯
✔ For Assistant Professor, conceptual differences between theories are frequently asked
📲 Join Apni University:
🔔 Subscribe for Daily Geography Classes
📲 App: Complete Geography Course + Notes + PYQs + Mock Tests
📘 Free PDF: Origin of Earth Notes | Diagram Sheet | Exam MCQs
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🔗 Download / Course Link
Download Apni University App — Geography Courses, Notes & Test Series :
https://play.google.com/store/apps/de...
📕Our Courses
👉UGC NET Geography Batch - https://apniuniversity.classx.co.in/n...
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📥 Follow us for updates and free PDFs:
Join Telegram Geography University Suraj Sir : https://telegram.me/suraj_Sir_Geo
Download Apni University App - https://play.google.com/store/apps/de...
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