When Sound is produced in an aeroplane moving with a velocity of 200m/s horizontally. Its echo is heard after 10 * SQRT(5) seconds. If the velocity of sound in air is 300m/s. The elevation of aeroplane is :- a) 1250 metre b) 250 mt c) 250 * SQRT(5) metre.

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Saurabh Koranglekar · Answer

Arun · Answer

Dear student 2d = v*t d = 300* 10√5 / 2 = 200 * 10√5 = 2000√5 seconds Hope it helps Thanks and regards

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When Sound is produced in an aeroplane moving with a velocity of 200m/s horizontally. Its echo is heard after 10 * SQRT(5) seconds. If the velocity of sound in air is 300m/s. The elevation of aeroplane is :- a) 1250 metre b) 250 mt c) 250 * SQRT(5) metre.

When Sound is produced in an aeroplane moving with a velocity of 200m/s horizontally. Its echo is heard after 10 * SQRT(5) seconds. If the velocity of sound in air is 300m/s. The elevation of aeroplane is :- a) 1250 metre b) 250 mt c) 250 * SQRT(5) metre.

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When Sound is produced in an aeroplane moving with a velocity of 200m/s horizontally. Its echo is heard after 10 * SQRT(5) seconds. If the velocity of sound in air is 300m/s. The elevation of aeroplane is :- a) 1250 metre b) 250 mt c) 250 * SQRT(5) metre.

When Sound is produced in an aeroplane moving with a velocity of 200m/s horizontally. Its echo is heard after 10 * SQRT(5) seconds. If the velocity of sound in air is 300m/s. The elevation of aeroplane is :- a) 1250 metre b) 250 mt c) 250 * SQRT(5) metre.

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