JEE Main & Advanced
JEE Main Paper (Held On 12-Jan-2019 Morning)
question_answer
A person standing on an open ground hears the sound of a jet aeroplane, coming from north at an angle \[60{}^\circ \] with ground level. But he finds the aeroplane right vertically above his position. If v is the speed of sound, speed of the plane is
[JEE Main Online Paper Held On 12-Jan-2019 Morning]