Question

What is Echo.????
Explain.......

Answer 1

✌❤✔HEYA❤_❤MATE✔❤✌

✌❤✔Echo✔❤✌

• ✌✔The repetition of sound caused by the reflection of sound waves is called an echo.✔✌

• ✌✔Sound persists on ear for 0.1 s.✔✌

• ✌✔The minimum distance from a sound reflecting surface to hear an echo is 16.5 m.✔✌

• ✌✔If first echo be heard after It second, second echo after ~ second, then third echo will be heard after (t1 + t2)s.✔✌

✌✔PIYUSH❤_❤SHARMA✔✌

Answer 2

$\huge\underline\mathfrak{Echo}$

A sound or sounds caused by the reflection of sound waves from a surface back to the listener.

$\huge\underline\mathfrak{Thank\:You}$