As refractive index of diamond is much greater hence critical angle for diamond-air interface is quite small. Thus, a diamond cutter has large options to cut the diamond faces so that light suffers total internal reflection from these faces.
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(1) The ray of light should travel in the optically denser medium towards the rarer medium. (ii) The angle of incidence at the refractive surface should be greater than the critical angle for given pair of media. Class 12 Physics ...
sinic = 1/n , where n = refractive index of the denser media w.r.t. the rarer medium. Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
When light travels from a rarer to a denser medium, the speed decrease, but energy carried by the light wave remains unchanged. Energy of light depends on its frequency and number of light photons in given light beam and both ...
When an object is placed between f and 2f of a concave mirror, the image formed is (i) real, and (ii) magnified. Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.