Answer this i am very sad
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1 feeling sorrow; unhappy. 2 causing, suggestive, or expressive of such feelings.
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show refraction of a ray in air incident at 60° with the normal to a glass-air and water-air interface, respectively. Predict the angle of refraction in glass when the angle of incidence in water is 45° with the normal to a water-glass interface (Figure (c)]. Air 359 Glass ? 60° Glass Air 760° Water 470 745° Water (a) (b) (C)
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