Question

what is ECHO.
And their reletively formula.​

Answer 1

Answer:

HEY DEAR....✋✋✋

HERE IS YOUR ANSWER....,

ECHO IS A REFLECTION OF SOUND THA ARRIVES AT THE LISTENER WITH A DELAY AFTER DIRECT SOUND.

THE DELAY IS DIRECTLY PROPORTIONAL TO THE DISTANCE OF THE REFLECTING SURFACE FROM THE SOURCE AND THE LISTENER.

RELATIVE FORMULA FOR ECHO :

D= V * T

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Answer 2

echo is defined as the reflection of sound, arriving at the listener some time after the direct sound.

the formula of calculating echo is :-

t= d/vwhere t is time taken by the sound wave to back and forth

d is the distance of the sound wave travelled back and forth

and v is velocity of sound

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