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does snell’s law actually fail at normal incidence or we are just manipulated in class 10 bcoz atlast it gives an indeterminate form which on solving may follow snell’s law ???
No in case of normal incidence the angle of incidence is 0 and the angle of refraction is also 0.. ie the li8 Ray passes as it is.. Therefore the snells is valid as sin0 is 0.... Hope U like it
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