Answer :
reflection of sound can be defined as bouncing back of sound wave when it strikes the hard surface like walls , metals ,etc.
multiple reflection of sound can be defined as when the reflection of sound take place more than once it is utilized in working of various devices like stethoscope , bulb horne , etc.
multiple reflection of sound can be defined as when the reflection of sound take place more than once it is utilized in working of various devices like stethoscope , bulb horne , etc.
Reflection of sound:-
the bouncing of light from hard surface.
multiple reflection of sound :-
the bouncing of light multiple times .