Solved papers for JEE Main & Advanced JEE Main Paper (Held On 12 April 2014)

done JEE Main Paper (Held On 12 April 2014) Total Questions - 1

• question_answer1) A source of sound A emitting waves of frequency 1800 Hz is falling towards ground with a terminal speed v. The observer B on the ground directly beneath the source receives waves of frequency 2150 Hz. The source A receives waves, reflected from ground of frequency nearly: (Speed of sound  = 343 m/s)   [JEE Main Online Paper ( Held On 12 Apirl  2014 )
  A)
  2150 Hz                                
  done clear
  B)
  2500 Hz
  done clear
  C)
  1800 Hz                                
  done clear
  D)
  2400 Hz
  done clear
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