10 किलोग्राम का एक निलंबित द्रव्यमान एकल-कोटि अवमंदित कंपन निकाय में 20 सेकंड में 40 दोलन पूरा करता है। स्प्रिंग की दृढ़ता लगभग _________ है।

This question was previously asked in
HPCL Engineer Mechanical 04 Nov 2022 Official Paper (Shift 2)
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  1. 2.24 N/mm
  2. 1.12 N/mm
  3. 0.79 N/mm 
  4. 1.58 N/mm 

Answer (Detailed Solution Below)

Option 4 : 1.58 N/mm 
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