Solved papers for JEE Main & Advanced JEE Main Paper (Held On 10 April 2016)

done JEE Main Paper (Held On 10 April 2016) Total Questions - 1

• question_answer1) A toy-car, blowing its horn, is moving with a steady speed of 5 m/s, away from a wall. An observer, towards whom the toy car is moving, is able to hear 5 beat per second. If the velocity of sound in air is340 m/s, the frequency of horn of the toy car is close to:   JEE Main Online Paper (Held On 10 April 2016)
  A)
  340 Hz                     
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  B)
  170 Hz
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  C)
  510 Hz                     
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  D)
  680 Hz
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