In this article you will get the clue that from where and how the questions are being framed from chapter Ray Optics b) Focal length of the lens (with refractive index = 1.5) is 20 cm. If the glass is ...
Optics is a very important part of Physics in the syllabus of UPSEE Entrance Examination 2018. Optics can be categorized into three subparts i.e., Ray Optics, Wave Optics and Optical Instruments.