Solved papers for JEE Main & Advanced JEE Main Paper (Held On 11 April 2014)

done JEE Main Paper (Held On 11 April 2014) Total Questions - 1

• question_answer1) Two factories are sounding their sirens at 800 Hz. A man goes from one factory to other at a speed of 2m/s. The velocity of sound is 320 m/s. The number of beats heard by the person in one second will be:   [JEE Main Online Paper ( Held On 11 Apirl  2014 )
  A)
  2                                             
  done clear
  B)
  4
  done clear
  C)
  8                                             
  done clear
  D)
  10
  done clear
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