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Question
find the focal length of a lens of power -2.0 d what type of lens is this
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Solution
Dear student,
F (Focal length) = 1/ P (Power)
F= -1/2 = -0.5 m
Hence, it is a concave lens with focal length -0.5 m.
Regards,
F (Focal length) = 1/ P (Power)
F= -1/2 = -0.5 m
Hence, it is a concave lens with focal length -0.5 m.
Regards,
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