div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentfrom-huygens-principle-in-a-similar-way-when-a-light-wave-travels-from-one-mediumhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: physics15weeblycomphysics15weeblycomuploads302730272185667g · from Huygens principle in a similar way When a light wave travels from one medium to another its frequency loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsnetreader034viewer20220421025e7e8fe02ed36e63a53d9f3bhtml5thumbnails1jpg width=140 height=200 divdiv