Reflection of Sound (Echo) - Sound | Class 9 Physics

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Previous Video: Characteristics of Sound - Wavelength and Velocity - Sound kzbin.info/www/bejne/mauqY5WBorqAptU Next Video: Multiple Echoes - Reverberation - Sound kzbin.info/www/bejne/rKPNiodrl9GhhbM

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Hii

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Bu ke boor

[@Edumnxs]

5:10 simple the bouncing back of sound from any hard surface is known as reflection of sound

[@SantoshKumar-rg3vy]

I think instead of writing hard surface you should write obstacle

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Speed is denoted by v and displacement is denoted by s

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Helpful 🤞

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Thanks Teacher❤

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15:47😂😂😂👍

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Thanks you teacher

[@aman2books]

Mam, air se bhi reflection hota hai kya jese mountain se jo solid hai

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[@pawankishor2306]

Mam kya sound usii speed se vaps aati h jis speed se no jati h

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Mam, mountains ke pass bolne se echo hota gai to.. Reflection mountain se hota hai kya ya air ki distance se

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Thanks ma'am

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Your explanation in very good mam humko is chapter ki notes ki pdf chahiye hum kya kre ??

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mam toh ek empty room mein walls sound absorb kyun nhi krte?

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Please reply

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Because walls of surface very hard

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17:33 ye kaun

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Verma

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But I study in 7th class😞😞

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[@dinklekriplani]

Mam you said that wall par sound ja kar ke reflect kar jayegi But sound to solid liquid and gas kisi bhi medium sai pass ho skta hai na

[@MagnetBrainsEducation]

Hi there! Thank you for your comment. Yes, sound can travel through any medium, including solids, liquids and gases. We hope our videos have helped you understand this concept better. If you have any other queries, feel free to let us know. Thank you for watching our videos!

[@dinklekriplani]

@@MagnetBrainsEducation so mam wall and mountains are also a solid then why sound is reflecting and not passing through it

[@nishtha5322]

@@dinklekriplani because they echo and for hearing distinct echos, the minimum distance of the obstacle from the source of sound must be 17.2m

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Vibhuti misra😂

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I'm new student

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0.1 sec it out of brain.... :) :(

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[@sabitrisitaula279]

0.23 - 0.42 what was that bullshit

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Chal tujhe kuch nahi pata

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Ball bounce back kyu hoti hai nichhe hi kyu nhi rehti

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Did you don't know about action and reaction

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Mam aap ek hi baat ko baar baar repeat na kiya karo,kai baar repeat krte ho aap

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thanks mam ☺️☺️☺️