PURPOSE: To demonstrate refraction.
DESCRIPTION: The rod, inserted into the water tank and viewed from an angle, shows a discontinuity at the surface of the water. Insert the other end of the rod at an angle into the water; the rod looks bent when viewed at an angle.
SUGGESTIONS:
REFERENCES: (PIRA 6A42.45)
EQUIPMENT: Plastic water tank with mounted stick.
SETUP TIME: None.
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