Topic: Salient features of world’s physical geography.
1. Seismic waves helps us to unravel the mysteries of the Earth’s interior. Explain. (250 words)
Difficulty level: Easy
Reference: NCERT fundamentals of physical Geography for Class-XI
Why the question:
The question is part of the static syllabus of General studies paper – 1 and mentioned as part of Mission-2022 Secure timetable.
Key Demand of the question:
To write about how we can understand the interior of earth by using Seismic waves.
Directive word:
Explain – Clarify the topic by giving a detailed account as to how and why it occurred, or what is the context. You must be defining key terms wherever appropriate and substantiate with relevant associated facts.
Structure of the answer:
Introduction:
Begin by mentioning that the structure of Earth’s deep interior cannot be studied directly but geologists use seismic (earthquake) waves to understand the interior structure of earth.
Body:
First, define what are seismic waves and their types.
Explain, how the difference in their properties helps us to understand the earth’s interior. Also, draw a neat labelled diagram for better presentation of your answer.
Conclusion:
Mention the significance of understanding the interior of the earth.
