Topics Covered:- PropagationofSound MovementofSound HowdoweHear?? Howsoundtravels?? Soundneedsamediumtotravel WhysoundcannotTravelThroughVacuum?? Facebook Page For preparation of KVSNVSSAINIK SCHOOLCHS Entrance Exam DAV Science Physics for CLASS VIII. Sound:- PART-1 PART-2 PART-3 PART -4 PART-5 PART -6 Must Watch!!! your Appreciation is our Inspiration I will be highly obliged if you MessageMail me your feedback or suggestion on 8540869161 or on geofoundation2020gmail.com. Regards Geo Foundation Team
Источник: rutube.ru