noor uses a glass of -4.5D then answer these: what is the focal length,which disease is she suffering from and which type of lence is she using? Please help fast, plz plz.......
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f= -22.23
suffering from myopia
should use concave lens
suffering from myopia
should use concave lens
Anonymous:
hi
how did you get the focal length
that -22 something
p=100/f for cm
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