भूकंपीय छाया क्षेत्र बनने का मुख्य कारण क्या है?
What is the main reason for formation of seismic shadow zones?
Explanation opens after your attempt
A. तरंगों का अपवर्तन और कुछ तरंगों का रुकनाRefraction of waves and blocking of some waves
Concept
Shadow zones form due to bending of waves and because S waves cannot pass through liquid outer core. Remember it as evidence about the core.
Why this answer is correct
The correct answer is A. तरंगों का अपवर्तन और कुछ तरंगों का रुकना / Refraction of waves and blocking of some waves. Shadow zones form due to bending of waves and because S waves cannot pass through liquid outer core. Remember it as evidence about the core.
Exam Tip
छाया क्षेत्र तरंगों के मुड़ने और एस तरंगों के द्रव बाह्य क्रोड में न जाने से बनते हैं। इसे core evidence से जोड़कर याद रखें।
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