Question

define echo can we hear echo in a small room state reason differences between echo and reverberation

Answer 1

ECHO IS THE REFLECTION OF A SOUND FROM A RIGID OBJECT WHICH REACHES OUR EAR IN WITHIN 0.1S
WE HAVE MINIMUM DIST OF ABOUT 17.2 FOR ECHO . IF ROOM IS HAVING THIS DIST WE CAN HEAR ECHO
REVERBRATION IS THE MULTIPLE REFLECTION SOUND AND IT DECREASES AS TIME PASSES