The A glass is filled with water upto 10cm. apparent depth of an object lying at the bottom of the glass is measured by a micro scope tube 8.2 cm. Calculate the surfacactivo indeze 6:7 upto the same height, by what distance with the micro- scope has to be moved to focus the object again?
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Explanation:
We know that η=
apparentdistance
realdistance
η=
9.4
12.5
=1.329
When the water is replaced by liquid of 1.63
η=
apparentdepth
12.5
1.63=
x
12.5
x=7.67
So Distance by which microscope have to b
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