PHYSICS Human ear – structure & working (Hindi) | Physics | Khan Academy Posted on 04/05/202004/05/2020 by apho2018 05 Apr Let’s see how our ears convert back and forth motion of air into a beautiful experience we call sound. apho2018 How To Revise For Maths! Tips To Get A 9 In GCSE Maths Difference btw Computer Science and Information Technology | CS VS IT