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What is the Condition Necessary for an Echo to Be Heard Distinctly? - Physics

Short Note

What is the condition necessary for an echo to be heard distinctly?

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Solution

Echo is a reflected sound heard after the original sound strikes a rigid obstacle...
The conditions are-
1- The reflecting surface should have a larger reflecting surface than the wavelength of the sound
2- The minimum distance to hear the echo should be 17m in the air or as described by the formula `(Vt)/2`...

Concept: Reflection of Sound
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APPEARS IN

Selina Concise Physics Class 10 ICSE
Chapter 7 Sound
Exercise 7 (A) | Q 7.2 | Page 154
ICSE Class 10 Physics
Chapter 6 Echoes and Vibrations of Sound
Short Answers | Q 31.2
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