When the light ray illustrated in the figure below passes through the glass block of index of refraction n = 1.50, it is shifted laterally by the distance d. (Let L = 2.67 cm and ? = 27.0°.)   (a) Find the value of d.  cm (b) Find the time interval required for the light to pass through the glass block.  ps

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Dispersion of White Light

Snell’s law is a formula that gives a relation between the angle of incidence and angle of refraction and is given as: