Solved papers for JEE Main & Advanced JEE Main Paper (Held On 19 April 2014)

done JEE Main Paper (Held On 19 April 2014) Total Questions - 1

• question_answer1) A particle is released on a vertical smooth semicircular track from point X so that OX makes angle q from the vertical (see figure). The normal reaction of the track on the particle vanishes at point Y where OY makes angle \[\phi \] with the horizontal. Then:     JEE Main Online Paper (Held On 19 April 2016)
  A)
  \[\sin \phi =\cos \phi \]                
  done clear
  B)
  \[\sin \phi =\frac{1}{2}\cos \theta \]
  done clear
  C)
  \[\sin \phi =\frac{2}{3}\cos \theta \]      
  done clear
  D)
  \[\sin \phi =\frac{3}{4}\cos \theta \]
  done clear
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