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Q:

भूकंप के दौरान, लहरों के ऊपरी भाग का वेग, घनत्व में वृद्धि के साथ - साथ_______ जो इससे गुजरने वाली वस्तु को आगे बढाएगी।

  • 1
    नहीं बदलेगा
  • 2
    शुरुआत में बढ़ेगा और फिर घटेगा
  • 3
    बढ़ेगा
  • 4
    घटेगा
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Answer : 3. "बढ़ेगा"
Explanation :

1. During an earthquake, the velocity of the upper part of the waves will increase along with the increase in density which will propel the object passing through it.

2. Earthquake shock When seismic waves occur in a place with soft soil sediments, their propagation increases the natural period, which produces an echo.

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