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To trace the path of a light ray through a glass slab, the angle of incidence is given as 60 degree, two students P&Q found the angle of refraction to be 45 degree & 65 degree. Who is correct? |
| Answer» To trace the path of a light ray through a glass slab, the angle of incidence is given as 60 degree, two students P&Q found the angle of refraction to be 45 degree & 65 degree. Who is correct? | |