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The bottom of a beaker is coated with mercury so that acts as a plane mirror....

The bottom of a beaker is coated with mercury so that acts as a plane mirror. The beaker is
filled to the top with oil and a small piece of cork, with negligible thickness floats on top of the
water. If the beaker’s height is 10.0cm and the cork is viewed from the top, find the position
and the nature of the image. (Index of refraction for oil is 1.52.)

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