Grade 9 Unit 8 Part 4 Wave motion and Sound

This video explains about sound wave #wave #sound #echo #sonar #reflection #refraction #diffraction #inteference #constructiveinteference #destructiveinterference #lawofreflection #lawofrefraction #snellslaw #indexofrefraction #refractiveindex #amplitude #wavelength #wavespeed #frequence #period #timeperiod #waveequation #hertz #electromagneticwave #mechanicalwave #transversewave #longitudinalwave #physics #grade9 #grade9physics #unit8 #seifu #donkeytube
Telegram Channel t.me/ethiophysicsgrade7upto12
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[@firetubeyegna2819]

😎 best

[@eyob2114]

Ere bro grade 10 በአዲሱ ስርአተ ትምህርት ስራልን

[@seburebu-yb2zy]

abate 10qs betkkl new eyegebagn yalew

[@user-xj5pu1ph1f]

It is good but i have one complaints which is don't miss the one which is present in book try to include all point which raised in book

[@user-qt2dr3hj9m]

s=sv audel ende lemn over 2 enaregalen

[@biniyamdejene1989]

Be adisu ye 12 physics siralin pls🙏