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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > In the prevoious problem ,if phi is the angle between line of emergence DE and normal DF at point D, ratio of phi/ theta for positive value of theta will be

In the prevoious problem ,if phi is the angle between line of emergence DE and normal DF at point D, ratio of phi/ theta for positive value of theta will be

if phi is the angle between line of emergence DE and normal DF at point D In the prevoious problem ratio of phi/ theta for positive value of theta will be