Class 11 NCERT • Geography Book 1 (New Syllabus)
Geography Ch 03: Interior of the Earth
Select a topic or study module below to explore direct and indirect sources of earth interior, seismic waves, structure of crust, mantle, and core, earthquake mechanics, shadow zones, volcanic landforms, and comprehensive textbook solutions.
Topic 01 • Sources of Information
Exploring Direct Sources (Mines, Deep Drilling) and Indirect Sources (Temperature, Pressure, Density, Meteors)
Topic 02 • Earthquakes & Seismic Waves
Analyzing Focus (Hypocenter), Epicentre, Body Waves (P and S Waves), and Surface Waves (L Waves)
Topic 03 • Shadow Zones
Studying Wave Velocity Changes, Reflection, Refraction, Liquid Core Impact, and P/S Wave Shadow Zones
Topic 04 • Crust & Mantle Layers
Investigating Continental Crust, Oceanic Crust, Moho Discontinuity, Upper Mantle, and Asthenosphere
Topic 05 • Core & Discontinuities
Examining Outer Liquid Core, Inner Solid Core, Gutenberg Discontinuity, and Repetti Discontinuity
Topic 06 • Volcanoes & Magma
Analyzing Magma vs Lava, Shield Volcanoes, Composite Volcanoes, Calderas, and Flood Basalt Provinces
Topic 07 • Intrusive Landforms
Studying Batholiths, Laccoliths, Lapoliths, Phacoliths, Sills, and Dykes Formed Inside the Earth Crust
Module 08 • Solutions & Quiz