A mark at the bottom of beaker is focused by a microscope.on pouring water upto a height of 16cm,the microscope is raised through 4 cm to focus the mark again.refractive index of water is?
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real depth is 16
apparent depth is 16-4=12
refractive index of water/ri of air=real depth/apparent depth
apparent depth is 16-4=12
refractive index of water/ri of air=real depth/apparent depth
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Answer: 4/3
Explanation: i hope it will help you
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