Solved papers for JEE Main & Advanced JEE Main Solved Paper-2014

done JEE Main Solved Paper-2014 Total Questions - 2

• question_answer1) 11. A particle moves with simple harmonic motion in a straight line. In first \[\tau s\], after starting from rest it travels a distance a, and in next \[\tau s\] it travels 2a, in same direction, then :   JEE Main  Solved  Paper-2014
  A)
  amplitude of motion is 4a
  done clear
  B)
  time period of oscillations is \[6\tau \]
  done clear
  C)
  amplitude of motion is 3a
  done clear
  D)
  time period of oscillations is \[8\tau \]
  done clear
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• question_answer2) A pipe of length 85 cm is closed from one end. Find the number of possible natural oscillations of aircolumn in the pipe whose frequencies lie below 1250 Hz. The velocity of sound in air is 340 m/s.   JEE Main  Solved  Paper-2014
  A)
  6             
  done clear
  B)
  4
  done clear
  C)
  12                                          
  done clear
  D)
  8
  done clear
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