Line of sight The figure shows a meter stick lying on the bottom of a 100 cm long tank with its zero mark against the left edge. You look into the tank at a 30° angle, with your line of sight just grazing the upper left edge of the tank. What mark do you see on the meter stick if the tank is full of benzene (n = 1.50)? 30 50 cm Zero Meter stick 100 cm
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