MCQEasyJEE Main 2023 · 11 April, Shift 2Doppler Effect

Physics Question from JEE Main 2023 · 11 April, Shift 2

A car P travelling at 20 m/s20 \, \text{m/s} sounds its horn at a frequency of 400 Hz400 \, \text{Hz}. Another car Q is travelling behind the first car in the same direction with a velocity 40 m/s40 \, \text{m/s}. The frequency heard by the passenger of the car Q is approximately [Take, velocity of sound =360 m/s= 360 \, \text{m/s}]

  • A

    471 Hz471 \, \text{Hz}

  • B

    514 Hz514 \, \text{Hz}

  • C

    421 Hz421 \, \text{Hz}

  • D

    485 Hz485 \, \text{Hz}

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