When sound is produced in an aeroplane with a velocity of 200 m/s horizontally, its echo is heard after 10√5 seconds. If velocity of sound in air is 300 ms⁻¹ the elevation of aircraft is

Options

(a) 250 m
(b) 250√5 m
(c) 1250 m
(d) 2500 m

Correct Answer:

2500 m

Explanation:

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