In a resonance column experiment first and second resonance occur at depths 22.7 cm and 70.2 cm respectively then depth at which third resonance occurs is_ A)117.7 cm B)102.2 C)122 cmc D)117.999 cm

(Consider end correction)

• Siddharth
• 3302 दृश्य
• 3 उत्तर

• 117.7

  • Abhi
  • 09 मई
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  0

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• 117.7

  • Aniket
  • 26 अप्रैल
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  2

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• l1+e=lambda÷4,l2+e=3lambda÷4,l3+e=5lambda÷4. l1+e÷l2+e=1÷3;l1+e÷l3+e=1÷5. e=70.2-3*22.7÷2=1.05. l3+e=5(l1+e), l3=5(22.7+1.05)-1.05=117.7 so the ans is a

  • Omeshwari
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  2

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