भूकंप के समय सबसे पहले कौन-सी तरंग दर्ज होती है?
Which wave is recorded first during an earthquake?
Explanation opens after your attempt
C. पी तरंगP wave
Concept
P wave is recorded first because it travels fastest. For exams, connect P with primary wave.
Why this answer is correct
The correct answer is C. पी तरंग / P wave. P wave is recorded first because it travels fastest. For exams, connect P with primary wave.
Exam Tip
पी तरंग सबसे तेज चलती है इसलिए यह पहले दर्ज होती है। परीक्षा में पी को प्राथमिक तरंग से जोड़कर याद रखें।
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