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.

Negative refraction has been demonstrated with plasmonic materials 8,9 and with discrete nonlinear elements 10, but these approaches suffer from high losses and strong dispersion, which restricts ...

Recent experiments that demonstrate the negative refraction of light could bring a heated scientific debate to a close, and give negative-index materials a positive future Figure 1: Negative-index ...

Figure 1: Diagram and SEM image of fabricated fishnet structure. Here we experimentally demonstrate the first 3D optical NIM by directly measuring the angle of refraction from a prism made of cascaded ...

Physicists are involved in an unusually heated debate over the reality of a new kind of refraction and about the possibility of making perfect lenses. Edwin Cartlidge reports. If you think science is ...

Most people know that light travels in a straight line unless something acts upon it to change its direction. The three most common methods of changing the direction of light are refraction, ...

Find chapter notes of chapter Ray Optics for WBJEE Entrance Examination 2018. When exams are around the corner, all students want to cover more and more syllabus in less time. Students can do this by ...