If the angle of incidence is 45 in a glass slab then what will be the angle of refraction.?and why?
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sin i / sinr = constant
sin45 / sinr = n21
1 / sinr = n21
sinr = 1/ n21
first of all tell me the velocity of particles..
sin45 / sinr = n21
1 / sinr = n21
sinr = 1/ n21
first of all tell me the velocity of particles..
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