Ray Optics often overwhelms Class 12 students due to formulas and sign conventions. An expert board examiner explains why rote learning fails and how visual thinking, ray diagrams, and conceptual ...

Shini talks to us about optical instruments and how they make magnification possible. How do lenses work? How do they form images? Well, in order to understand how optics work, we have to understand ...

Astronomy has always relied on optical instruments, from the early Galilean telescope to fiber-fed spectrographs, so much so that astronomy and modern optics are called astrophotonics. Since ...