Question

Reflection of sound takes place only from hard and polished surfaces.
True
False

Answer 1

Answer:

TRUE

Explanation:

☯Reflection of sounds or an echo is produced only when sound is incident on hard and polished surface.

↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔

☯ In audio signal processing and acoustics, echo is a reflection of sound that arrives at the listener with a delay after the direct sound. The delay is directly proportional to the distance of the reflecting surface from the source and the listener.

↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔

☯ A true echo is a single reflection of the sound source.

↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔↔

$\dag{\boxed {\underline{\sf{\underline\orange{hope \: it \: helps \: u }}}}}\\\\\dag{\boxed {\underline{\sf{\underline\orange{Please \: mark \: as \: BRAINLIEST! }}}}}$

Answer 2

False

Reason :
Sound Takes Place Where The Vibrations Take Place And Also Needs A Medium To Travel