Wb Jee
Waves
WB JEE 2008
MCQ+1 / -0.252008
When sound is produced in an aeroplane with a velocity of 200 m/s horizontally its echo is heard after \(10\sqrt 5\) seconds. If velocity of sound in air is 300 ms\(-\)1 the elevation of aircraft is
Wb Jee
WB JEE 2008
When sound is produced in an aeroplane with a velocity of 200 m/s horizontally its echo is heard after \(10\sqrt 5\) seconds. If velocity of sound in air is 300 ms\(-\)1 the elevation of aircraft is