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Siliveru Anil Kumar - Author on ShareChat: Funny, Romantic, Videos, Shayari, Quotes
Siliveru Anil Kumar
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#Educational Updates #🎓జాబ్ ప్రిపరేషన్📚 #💼TSPSC/ APPSC ప్రత్యేకం #📖ఎడ్యుకేషన్✍ #🏆పోటీ పరీక్షల స్పెషల్
Educational Updates - Why Do We Hear Echo? 1 Sound travels in waves hard surface; When sound hits 0 it reflect back. The reflected sound reaches our ears again. If the distance is large enough; We hear the sound twice This repeated sound is called echo. Sound 2) feilection Wall Echo Key Point : Echo happens when sound reflects back from a surface Why Do We Hear Echo? 1 Sound travels in waves hard surface; When sound hits 0 it reflect back. The reflected sound reaches our ears again. If the distance is large enough; We hear the sound twice This repeated sound is called echo. Sound 2) feilection Wall Echo Key Point : Echo happens when sound reflects back from a surface - ShareChat