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To hear an echo minimum distance should be

Webb21 aug. 2015 · Thus, for hearing distinct echoes, the minimum distance of the obstacle from the source of sound must be half of this distance. I.e., 34.4/2 = 17.2 m. So the minimum distance required for an echo to be heard is 17.2m. Assumptions for this solution are as follows: (1) The air temparature is assumed to be the standard temparature at 22 … Webb21 mars 2024 · Echo is the reflection of sound due to a surface medium. The minimum distance for an echo should be 17.2m between the source of sound and the surface.The …

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WebbTime after which echo is heard = t Then, t = 2d/v or d = vt/2 We know, Speed of sound in air at 25ºC = 343 ms –1 For an echo to be heard distinctly, t ≥ 0.1 s Then d ≥ Thus, the … WebbThe minimum distance to hear an echo is about 1/4 mile. Echoes are created when sound waves bounce off of a surface and return to the listener. The distance between the … hiperlar https://htctrust.com

Class 10 SELINA Solutions Physics Chapter 7 - Sound

WebbThe minimum distance between the source of sound and the reflecting body should be 11 metres. The wavelength of the sound should be less than the height of the reflecting body. The intensity of sound should be sufficient so that it can be heard after reflection. WebbAnswer: Solution: Since sound has to travel an equal distance in going up to the reflecting surface and in coming back from the reflecting surface, therefore it must travel nearly … WebbHence, the total distance covered by the sound from the point of generation to the reflecting surface and back should be at least (344 m/s) × 0.1 s = 34.4 m. Thus, for … hiper łaska youtube

Minimum distance for echo (video) Sound Khan Academy

Category:The minimum distance to hear an echo (at 22 deg celsius in air) …

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To hear an echo minimum distance should be

The echo (the sound reflection) and conditions necessary …

Webb6 apr. 2024 · Since, the sound travels forwards and backwards, the distance of the wall from the person is half the distance the sound travels. Therefore, the wall must at least … Webb22 feb. 2024 · The minimum distance between the source of sound and a surface to hear an echo is 10 m 17 m 24 m 31 m Answer (Detailed Solution Below) Option 2 : 17 m Crack Agniveer Vayu with India's Super Teachers FREE Demo Classes Available* Explore Supercoaching For FREE Free Tests View all Free tests > Free

To hear an echo minimum distance should be

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Webb1 mars 2015 · The conditions necessary for hearing the echo The distance between the sound source and the reflecting surface must not be less than 17 metres where the time … Webb21 sep. 2024 · Since sound has to travel an equal distance in going up to the reflecting surface and in coming back from the reflecting surface, therefore it must travel nearly 33/2 = 16.5 m either way. Thus, to hear the echo clearly in air, the reflecting surface should be at a minimum distance of 16.5 m from the source of sound. ← Prev Question Next …

WebbThis is twice the minimum distance between a source of sound and the reflector. So, if the obstacle is at a distance of 17 m at least, the reflected sound or the echo is heard after 0.1 second, distinctly. Hence, to hear a clear echo, the minimum distance between the reflecting surface and the observer is 17 m. WebbAn echo isthe repetition of a sound caused by reflection of sound waves To hear an echo distinctly the reflecting surface in the air should be at a minimum distance of17mfrom …

WebbAuthor: E. Kazner Publisher: Springer Science & Business Media ISBN: 3642999441 Format: PDF, ePub, Mobi Release: 2012-12-06 Language: en View of hydrocephalus are the width … Webbmeeting 51 views, 0 likes, 0 loves, 0 comments, 0 shares, Facebook Watch Videos from Clay County MN: Clay County Planning and Zoning Special Meeting...

Webb29 apr. 2024 · answered Apr 29, 2024 by KavitaRoy (49.1k points) selected Apr 30, 2024 by Devanshi. They can't hear an echo in small room because in it the sound can't be …

WebbFor instance if an echo is heard 1.40 seconds after making the holler, then the distance to the canyon wall can be found as follows: distance = v • t = 345 m/s • 0.70 s = 242 m The canyon wall is 242 meters away. You might have noticed that the time of 0.70 seconds is used in the equation. hiper latasWebb4 apr. 2024 · The velocity is the speed of sound in air which is equal to 343 m/s and time is 0.1 s as this the time required by the human to hear two sounds clearly. so, the minimum distance is, ∴ d 2 = V 10 × 2 d 2 = 343 20 d 2 = 17.15 Therefore, the minimum distance to hear a clear echo is 17.15 m. Courses (Class 3 - 12) JEE Crash ₹ 4,000 NEET Crash ₹ 5,000 facsemete metszéseWebbThe sound from his mouth will travel to the wall and then reflected back from the wall in the minimum time 0.1 s, so that he hear echo. Thus, distance travel by the sound is = d + d = … fa csemete rendelésWebb15 feb. 2008 · What is the Minimum distance to hear an echo? 16.5 meter. What is an echo and how is an echo produced? ... etc and get reflected. to hear the echo, the distance should be 17.2m ... facsemeték ültetésefacsemeték vásárlásaWebbTo hear the echo in 1 second, the minimum L distance of the source from the reflecting surface should be: 28 m 18 m 19 m 165 m Answer (Detailed Solution Below) Option 4 : 165 m Crack with India's Super Teachers FREE Demo Classes Available* Explore Supercoaching For FREE Free Tests View all Free tests > Free hiperlegalismoWebbThus, to hear the echo clearly in the air, the reflecting surface should be at a minimum distance of 16.5m from the source of sound. What should be the minimum distance … facsemeték metszése