Let's explore the age old question. Why does light slow down when it travels from vacuum to any other medium?
================================================
Follow me at
Facebook: / floatheadphysix
Twitter: https:// / floatheadphysix
Linkedin: / mahesh-shenoy-563514108
Subscribe: / @mahesh_shenoy
Quora: https://www.quora.com/profile/Mahesh-...
================================================
Support me and learn more physics at the same time by enrolling in my Udemy course
https://www.udemy.com/course/become1d...
https://www.udemy.com/course/becomeak...
================================================
Check my videos at Khan Academy
/ @khanacademyindiaenglish
================================================