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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
6 years ago
using   seperation = real depth – apparent depth .  apparent depth = real depth /n . we get real depth = 4cm
ankit singh
askIITians Faculty 614 Points
2 years 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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