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A microscope is arranged to observe a mark on a piece of paper clearly. Now if a cube of refractive index 1.5 and thickness 3 cm is placed on this mark, then now what should be the displacement given to microscope to observe the mark clearly again ? |
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Answer» <P>4.5 CM downward  In first case, microscope is focussed at P. In second case, it is focussed at P.. Now, APPARENT DEPTH, Real depth of P - Apparent depth of P `=3-(3)/(1.5)` `(because MU=("real depth")/("apparent depta")` =3-2`(therefore`Apparent depth =`("real depth")/(mu))` =1 cm |
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