Question

To hear distinct echoes, the time gap between the original sound and the reflected sound should be at least . _______ .

Answer 1

Answer:

To hear distinct echoes, the time gap between the original sound and the reflected sound should be at least 0.1 seconds .

Answer 2

$\huge{\mathcal{\red{✿A}\green{N}\pink{S}\orange{W}\blue{E}\pink{R✿:-}}}$

2 cm is the answer

Goo gle answrr is incorrect !