A visual walkthrough of how to answer Physics questions from question number 28 - 40 of GCE Combined Science 5129 O'Level paper 11 May/June 2013. You may pause the video to read the questions before proceeding with the walkthrough. Music by 🎈Song : Daystar - Lemon Cake / • ✨샛별 - 🍋Lemon Cake🍰✨ (Royalty Free Music) Feel free to skip to the question number that you have problem with according to the timestamp stated below: 00:00 Intro 00:08 Qn 28 Kinematics 02:00 Qn 29 Dynamics 03:05 Qn 30 Mass and Weight 04:04 Qn 31 Energy 04:49 Qn 32 Power 05:33 Qn 33 Temperature 06:19 Qn 34 General wave properties 06:49 Qn 35 Light 08:26 Qn 36 Current electricity 09:26 Qn 37 Practical electricity 10:17 Qn 38 Electromagnetic Induction 10:41 Qn 39 Electromagnetic Induction 11:05 Qn 40 Radioactivity