भूकंप के समय भूकंपमापी पर सबसे पहले सामान्यतः कौन सी तरंग दर्ज होती है?
Which earthquake wave is generally recorded first on a seismograph during an earthquake?
Explanation opens after your attempt
A. पी-तरंगP-wave
Concept
P-waves travel fastest, so they are recorded first. For exams, remember P as primary and first.
Why this answer is correct
The correct answer is A. पी-तरंग / P-wave. P-waves travel fastest, so they are recorded first. For exams, remember P as primary and first.
Exam Tip
पी-तरंगें सबसे तेज चलती हैं इसलिए वे पहले दर्ज होती हैं। परीक्षा में पी को प्राथमिक और पहले याद रखें।
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