Question

The meaning of line in hindi it’s urgent so answer it fast please
An echo can be prevented by not allowing the sound to be reflected the sound is observed using sound observers like felt and any thick clothing etc..
Pls answer me fast

Answer 1

Hello friend
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It's means :

Jo echo produce hota hai use roka ja sakta hai.Sound ke Jo wave hote hai use reflect na hone de.

Or aisa karne ke liye Jo sound observer hote hai Jo sound waves ko absorb kar lete hai or echo produce nahi hone dete.
jaise clothes sound reflect nahi hone deta clothes sound ko absorb kar lete hai or essi karan echo produce nahi ho pata.Essiliye unhe sound absorbing material kaha jata hai.

I hope this helps you.

Thanks