The engine of a train moving with speed 10 ~ms⁻¹ towards a platform sounds a whistle at frequency 400 ~Hz. The frequency heard by a passenger inside the train is: (neglect air speed. Speed of sound in air =330 ~ms⁻¹)

Oscillations and Waves: JEE Main 2023 Physics question

JEE Main 2023 · 8 Apr, Morning shift · Q8535

JEE Main 20238 Apr, Morning shiftPhysicsMediumOscillations and Waves185× since 2002

The engine of a train moving with speed

10 \mathrm{~ms}^{-1}

towards a platform sounds a whistle at frequency

400 \mathrm{~Hz}

. The frequency heard by a passenger inside the train is: (neglect air speed. Speed of sound in air

=330 \mathrm{~ms}^{-1}

)

JEE Main 2023 Oscillations and Waves Question with Solution (8 Apr Morning shift, Q8535) | JEE Arc

JEE Main 2023 · 8 Apr, Morning shift · Q8535

JEE Main 20238 Apr, Morning shiftPhysicsMediumOscillations and Waves185× since 2002

The engine of a train moving with speed

10 \mathrm{~ms}^{-1}

towards a platform sounds a whistle at frequency

400 \mathrm{~Hz}

. The frequency heard by a passenger inside the train is: (neglect air speed. Speed of sound in air

=330 \mathrm{~ms}^{-1}

)