NG

Nidhi GoyalAIR 91

Question 9.7GS1GS1

Earth's interior structure investigation requires indirect means for study and seismic investigation (study of seismic waves) is a good way for investigation.

Open scan (p.14)

Introduction

Earth's interior structure investigation requires indirect means for study and seismic investigation (study of seismic waves) is a good way for investigation.

22 words

Main Body

Seismic investigationunderstanding of earth's interior structure. The diagram shows two hemispheres representing P-wave and S-wave shadow zones at different angles (45°, 105°). Shadow zone refers to region in the earth's surface where seismic waves are not [illegible]. Key points include: Shadow zoneregion in the earth's surface where seismic waves are not repeated.
56 words1 paragraphs

Diagram

Two hemispheres showing P-wave shadow zone and S-wave shadow zone with angles marked at 45°, 105°, and 120°. Illustrates how seismic waves behave differently in the earth's interior layers.

Answer continues on next page
  • Clear diagram showing wave behavior
  • Introduction of shadow zone concept
  • Recognition of indirect investigation methods

Topper

Nidhi Goyal

AIR 91

Subject & Paper

GS1GS1

Topic

Salient features of World's Physical Geography

Earth's Interior Structure

Seismic investigation and shadow zones

Writing Stats

78

Total words

1

Paragraphs

Technical and descriptive

Tone