पी तरंगों को प्राथमिक तरंग क्यों कहा जाता है?
Why are P waves called primary waves?
Explanation opens after your attempt
D. क्योंकि वे सबसे पहले दर्ज होती हैंBecause they are recorded first
Concept
P waves are recorded first because they are the fastest. Exam tip: primary relates to arrival order.
Why this answer is correct
The correct answer is D. क्योंकि वे सबसे पहले दर्ज होती हैं / Because they are recorded first. P waves are recorded first because they are the fastest. Exam tip: primary relates to arrival order.
Exam Tip
पी तरंगें सबसे तेज होने के कारण सबसे पहले दर्ज होती हैं। परीक्षा में प्राथमिक का संबंध आगमन क्रम से है।
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