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SHM as projection of circular motion - class-XI

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Multiple Choice

Two SHMs are represented by the equations 
$y1=10sin(3\Omega t+\frac{\Omega }{4})$ and
$y2=5[sin3\Omega t+\sqrt{3}cos 3\Omega t]$. their amplitudes and in the ratio

  1. 1:2
  2. 2:1
  3. 1:3
  4. 1:1