एस तरंग को द्वितीयक तरंग क्यों कहा जाता है?
Why is an S wave called a secondary wave?
Explanation opens after your attempt
B. यह पी तरंग के बाद पहुँचती हैIt arrives after P wave
Concept
S waves are recorded after P waves. Therefore they are called secondary waves.
Why this answer is correct
The correct answer is B. यह पी तरंग के बाद पहुँचती है / It arrives after P wave. S waves are recorded after P waves. Therefore they are called secondary waves.
Exam Tip
एस तरंग पी तरंग के बाद दर्ज होती है। इसलिए इसे secondary wave कहा जाता है।
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