Sound- unit 4.1
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Sound- unit 4.1
من طرف srimathi الأحد فبراير 09, 2020 10:16 am
02.09.2020
09:54:02
Discussed that sounds come from sources and travel best through solids
Homework was given on sounds and hearing
Tomorrow will discuss how sound travels through different materials
09:54:02
Discussed that sounds come from sources and travel best through solids
Homework was given on sounds and hearing
Tomorrow will discuss how sound travels through different materials
srimathi- المساهمات : 990
تاريخ التسجيل : 15/09/2018
صفحة 1 من اصل 1
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