Topic-Reflection of light...class 7th,8th,9th,10th,11th and 12th..light colours and primary colours...Online and offline tuitions/coaching forPHYSICS,CHEMISTRY,MATHS AND BIO Unit and chapter wise with easy explanation of the difficult topics...FOR CLASSES 8TH TO 12TH.also you can ask your questions in comment box..or for further Complete NOTES of PHYSICS,CHEMISTRY,MATHS AND BIO to score more marks in exams, feel free to contact on [email protected]