![CRAIC Technologies automated system determines refractive index of glass trace evidence | Laser Focus World CRAIC Technologies automated system determines refractive index of glass trace evidence | Laser Focus World](https://img.laserfocusworld.com/files/base/ebm/lfw/image/2015/12/content_dam_lfw_online_articles_2011_8_craic.png?auto=format%2Ccompress&w=320)
CRAIC Technologies automated system determines refractive index of glass trace evidence | Laser Focus World
refractive indices of water and glass are 4/3 and 3/2 respectively . a light travelling in water is incident on water glass in 30 degree then angle of sine of angle of reflection is
![A plate of glass with parallel faces having a refractive index of 1.47 is resting on the surface of water in a tank. A ray of light coming from above in air A plate of glass with parallel faces having a refractive index of 1.47 is resting on the surface of water in a tank. A ray of light coming from above in air](https://homework.study.com/cimages/multimages/16/7176564473602455053453480.png)