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A microscope is focussed on a coin lying at the bottom of a beaker.The microscope is now raised up by 1 cm.To what depth should the water be poured into the beaker so that coin is again in focus ( neuw w = 4/3).

A microscope is focussed on a coin lying at the bottom of a beaker.The microscope is now raised up by 1 cm.To what depth should the water be poured into the beaker so that coin is again in focus ( neuw w =    4/3).
 

Grade:9

2 Answers

Nitesh Narayana
27 Points
5 years ago
using   seperation = real depth – apparent depth .  apparent depth = real depth /n . we get real depth = 4cm
ankit singh
askIITians Faculty 614 Points
one year ago
The microscope is now raised up by 1cm. To what depth should the water be poured into the beaker so that coin is again in focus ? (Refration index of water is 4/3)

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