Solved papers for JEE Main & Advanced JEE Main Solved Paper-2015

done JEE Main Solved Paper-2015 Total Questions - 2

• question_answer1) Distance of the centre of mass of a solid uniform cone from its vertex is \[{{z}_{0}}\]. If the radius of its base is R and its height is h then \[{{z}_{0}}\]is equal to : [JEE Main Solved Paper-2015 ]
  A)
  \[\frac{5h}{8}\]                                
  done clear
  B)
  \[\frac{3{{h}^{2}}}{8R}\]
  done clear
  C)
   \[\frac{{{h}^{2}}}{8R}\]                                
  done clear
  D)
  \[\frac{3h}{4}\]
  done clear
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• question_answer2) From a solid sphere of mass M and radius R a cube of maximum possible volume is cut. Moment of inertia of cube about an axis passing through its center and perpendicular to one of its faces is : [JEE Main Solved Paper-2015 ]
  A)
  \[\frac{4M{{R}^{2}}}{9\sqrt{3\pi }}\]      
  done clear
  B)
  \[\frac{4M{{R}^{2}}}{3\sqrt{3\pi }}\]
  done clear
  C)
   \[\frac{M{{R}^{2}}}{32\sqrt{2\pi }}\]                     
  done clear
  D)
  \[\frac{M{{R}^{2}}}{16\sqrt{2\pi }}\]
  done clear
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