Task id10582
Seller: nerdmavr
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Product description
A point light source is placed at the bottom of a vessel containing a liquid with a refractive index of 5/3. What minimum radius (in cm) must an opaque disk floating on the surface of a liquid be such that, looking from above, this source cannot be seen? The height of the liquid layer is 12 cm.
Additional information
Detailed solution. Format jpg