a concave lens of power -2D is placed in contqct with a convex lens of power +1.5D. what will be the resultant power?
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whenever u have questions related to lens power
so add up the powers to get the answer
eg p=p1+02+p3.......on
total power = -2D+1.5D
= -.5 D
so the combination of both lenses act as concave lens with the power of -.5D
so add up the powers to get the answer
eg p=p1+02+p3.......on
total power = -2D+1.5D
= -.5 D
so the combination of both lenses act as concave lens with the power of -.5D
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