अलप-अवमंदित कंपन निकाय में, यदि x1 और x2 माध्य स्थिति के एक ही तरफ आयाम के क्रमिक मान हैं, तो लघुगणकीय ह्रास निम्न _________ के बराबर है।

This question was previously asked in
HPCL Engineer Mechanical 12 Aug 2021 Official Paper (Shift 1)
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  1. log(x2 + x1)
  2. log(x2/x1)
  3. log(x2 - x1)
  4. log(x1/x2)

Answer (Detailed Solution Below)

Option 4 : log(x1/x2)
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