MCQEasyJEE Main 2023 · 29 January, Shift 1Doppler Effect

Physics Question from JEE Main 2023 · 29 January, Shift 1

A person observes two moving trains, A reaching the station and B leaving the station with equal speed of 30m/s30 \, \text{m/s}. If both trains emit sounds with frequency 300Hz300 \, \text{Hz}, the approximate difference of frequencies heard by the person will be:

  • A

    33Hz33 \, \text{Hz}

  • B

    55Hz55 \, \text{Hz}

  • C

    80Hz80 \, \text{Hz}

  • D

    10Hz10 \, \text{Hz}

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