ib dp physics hl 2019 topic 9 questions Published 3 years ago • 6.7K plays • Length 24:36 Download video MP4 Download video MP3 Similar videos 37:46 lecture -- electromagnetic wave polarization 12:50 ib physics revision: polarisation! 9:42:28 ib physics crash course: complete overview of units 1-8 || sl 40:32 waves and wave phenomena - ib physics exam review