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what happens to the focal length of lense when dipped in a medium = that of lens??

what happens to the focal length of lense when dipped in a medium = that of lens??

Grade:12

1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
7 years ago
can you have focal lenght of air????

if yes then it change to focal lenght of air

i mean it doesnt even have a medium difference.
how can it have focal lenght

its like air or water uniform everywhere no curvature.

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