please give a answer this question
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we know that
total power=p1+p2
4D=5D+p2
p2=-1D
as power being in negative
then nature of lens is concave lens
total power=p1+p2
4D=5D+p2
p2=-1D
as power being in negative
then nature of lens is concave lens
aqsa10:
but my answer is 0.25
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