A 300 cm3 glass beaker at 20 oC is filled completely with liquid mercury also at 20 oC. If both the beaker and its contents are heated to 100oC, how much mercury will spil from the beaker?    1.24 cm3 3.72 cm3 4.15 cm3 6.23 cm3

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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: