A printed page is kept pressed by a glass cube (µ=1.5) of edge 9.0 cm. By what amount will the printed letters appear to be shifted when viewed from the top?

A printed page is kept pressed by a glass cube (µ=1.5) of edge 9.0 cm

1.	A printed page is kept pressed by a glass cube (µ=1.5) of edge 9.0 cm. By what amount will the printed letters appear to be shifted when viewed from the top?
Answer» The thickness of the cube=t=9.0 cm. The shift in the position in the printed letter is `Deltad=(1-1/u)d=(1-1.5)xx9.0cm=3.0cm`

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A printed page is kept pressed by a glass cube (µ=1.5) of edge 9.0 cm. By what amount will the printed letters appear to be shifted when viewed from the top?

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