Refraction is because of progress in the speed of light as it enters from one transparent medium to another. The ray of light alters its course or phenomenon of refraction takes place because of difference in speed in various media.
Laws of Refraction
Power of Lense
Class 10 Student
I Am School Teacher having more than 12 years of experience subject of Physics in ICSE and CBSE Schools. Also, I have done M.Sc., B.Ed. And presently pursuing post-graduation diploma in school leadership and Management.