![Reflection of sound and echo | CBSE 9 | SSC 9 | Science | Why Do We Hear Echoes? | Home Revise - YouTube Reflection of sound and echo | CBSE 9 | SSC 9 | Science | Why Do We Hear Echoes? | Home Revise - YouTube](https://i.ytimg.com/vi/nkpvTcTcWDM/maxresdefault.jpg)
Reflection of sound and echo | CBSE 9 | SSC 9 | Science | Why Do We Hear Echoes? | Home Revise - YouTube
![Reflection Wave Sound Vector / Echo and Sonar Concept Stock Vector - Illustration of cliff, concept: 164062165 Reflection Wave Sound Vector / Echo and Sonar Concept Stock Vector - Illustration of cliff, concept: 164062165](https://thumbs.dreamstime.com/b/reflection-wave-sound-vector-echo-sonar-concept-print-164062165.jpg)
Reflection Wave Sound Vector / Echo and Sonar Concept Stock Vector - Illustration of cliff, concept: 164062165
![Echo Reflected Waves Sound From The Speaker Hitting A Barrier Returning As Reflected Wave Loudspeaker Green And Red Music Voice Waves Solid Block Physics Illustration Vector Stock Illustration - Download Image Now - Echo Reflected Waves Sound From The Speaker Hitting A Barrier Returning As Reflected Wave Loudspeaker Green And Red Music Voice Waves Solid Block Physics Illustration Vector Stock Illustration - Download Image Now -](https://media.istockphoto.com/id/1299328717/vector/echo-reflected-waves-sound-from-the-speaker-hitting-a-barrier-returning-as-reflected-wave.jpg?s=170667a&w=0&k=20&c=edCDFvqH40nZ9bW1_w9PX9nHukZOhAbj3x7cxfA47n8=)
Echo Reflected Waves Sound From The Speaker Hitting A Barrier Returning As Reflected Wave Loudspeaker Green And Red Music Voice Waves Solid Block Physics Illustration Vector Stock Illustration - Download Image Now -
![Echo is due to(A) Reflection of sound(B) Refraction of sound(C) Both reflection and refraction of sound(D) Diffraction of sound Echo is due to(A) Reflection of sound(B) Refraction of sound(C) Both reflection and refraction of sound(D) Diffraction of sound](https://www.vedantu.com/question-sets/7728b3e4-cd7e-43f5-9f1a-3ae93337f1e23128937507427386870.png)