NCERT books are very important for board examination as well as competitive examinations. Also, NCERT books are prepared by experienced professors of colleges so ...

NCERT Solutions for Class 12th Physics - Chapter 9: Ray Optics and Optical Instruments are available here. These solutions are also available for download in PDF format. This chapter is one of the ...

Ray Optics often overwhelms Class 12 students due to formulas and sign conventions. An expert board examiner explains why ...