physics
posted by Please help if you can... .
I am posting this question again as noone has answered it yet.
State the surface powers required to produce the following lenses with +6.25D front curves.
a. 0.50 DS
b. +0.50 DS
c. +1.75 DS
Is a= 6.75D?
b= 5.75D?
c= 4.75D?
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