div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentigcse-physics-13-sound-mr-tremblays-class-sit-sounds-have-a-high-frequencyhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: IGCSE PHYSICS 13 - SOUND - Mr Tremblays Class Sitemrtremblaycambridgeweeblycomigcse_physics_13_-_soundpdf · High-pitch sounds have a high frequency Examples of high-pitch loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader031fdocumentsnetreader031viewer20220203025a78dd6a7f8b9a70238d95d1html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentigcse-physics-13-sound-mr-tremblays-class-sit-sounds-have-a-high-frequencyhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: IGCSE PHYSICS 13 - SOUND - Mr Tremblays Class Sitemrtremblaycambridgeweeblycomigcse_physics_13_-_soundpdf · High-pitch sounds have a high frequency Examples of high-pitch loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader031fdocumentsnetreader031viewer20220203025a78dd6a7f8b9a70238d95d1html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentigcse-physics-13-sound-mr-tremblays-class-sit-sounds-have-a-high-frequencyhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: IGCSE PHYSICS 13 - SOUND - Mr Tremblays Class Sitemrtremblaycambridgeweeblycomigcse_physics_13_-_soundpdf · High-pitch sounds have a high frequency Examples of high-pitch loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...