Solved papers for JEE Main & Advanced JEE Main Paper (Held On 10 April 2015)

done JEE Main Paper (Held On 10 April 2015) Total Questions - 2

• question_answer1) A simple harmonic oscillator of angular frequency \[2rad\,{{s}^{-1}}\]is acted upon by an external force F = sint N. If the oscillator is at rest in its equilibrium position at t = 0, its position at later times is proportional to: JEE Main Online Paper (Held On 10 April 2015)
  A)
  \[\sin t+\frac{1}{2}\cos 2t\]        
  done clear
  B)
  \[\sin t-\frac{1}{2}\sin 2t\]
  done clear
  C)
   \[\cot t-\frac{1}{2}\sin 2t\]        
  done clear
  D)
  \[\sin t+\frac{1}{2}\sin 2t\]
  done clear
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• question_answer2) x and y displacements of a particle are given as x(t)=a \[\sin \omega t\] and \[y(t)=a\sin 2\omega t.\] Its trajectory will look like : JEE Main Online Paper (Held On 10 April 2015)
  A)
  
  done clear
  B)
  
  done clear
  C)
  
  done clear
  D)
  
  done clear
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