When an object is partially immersed and inclined in the water, the shadow of the object seen on the bottom of the container appears to be broken in two distinct parts or blown up in correspondence of the immersion line. The effect is very simple to show and observations and discussions could be developed in the classroom about surface tensions, wettability, and optics.
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© 1998 American Association of Physics Teachers.
1998
American Association of Physics Teachers
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