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NEET Sample Paper NEET Sample Test Paper-61

  • question_answer
    A radio wave frequency 840 MHz is sent towards an airoplane. The frequency of the radio echo has a frequency 2.8 KHz more than the original frequency. Then velocity of airoplane is:

    A) 3km/s                           

    B) 2km/s

    C) 4km/s                           

    D) 0.5km/s

    Correct Answer: D

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