class 10 science notes chapter 9 light reflection and refraction chapter 10 human eye and colourful world chapter 11 electricity chapter 12 magnetic effect of electric current class 9 science notes class 10 science notes class 11 physics notes Class 12 Physics Notes Class 11 Physics Assertion-Reason class 12 physics Assertion Reason Class 12 physics Case Based Study problems with Solutions class 12 Physics Ncert Exemplar problems Class 12 Ncert Exercise with Solution Enroll Now Join Vartmaan Institute – Build Your Future Book a Free Demo Class