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A transparent rod 30.0cmcm long is cut flat at one end and rounded to a hemispherical...

A transparent rod 30.0cmcm long is cut flat at one end and rounded to a hemispherical surface of radius 10.0cmcm at the other end. A small object is embedded within the rod along its axis and halfway between its ends, 15.0cmcm from the flat end and 15.0cmcm from the vertex of the curved end. When the rod is viewed from its flat end, the apparent depth of the object is 8.20cmcm from the flat end.

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25.64 cm

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