a lens of glass is immersed in water.what will be its effect on the power of lens?
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when a lens is immersed in water then focal length increase and focal length is inversely proportional to the angular magnification that's why the lens immersed in water the power chenges
mehul46:
the power will reduce or increase
increase
if focal length increases then power should decrease na since power is inversly proportional to focal length
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