# physics

posted by .

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?

## Similar Questions

1. ### Algebra

I posted this earlier but it didn't get answered. So I'm posting it again with hopes that, this time, it will be answered. Please solve for x: |x-6|>7 I got x=6 as a final answer, but that doesn't make sense because 6 is not greater …
2. ### physics

state the surface powers required to produce the following lenses with +6.25D front curves. a. -0.50 DS 6. +0.50 DS c. +1.75 DS
3. ### physics

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 -6.75DS?
4. ### physics

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 -6.75DS?
5. ### Math!!!!!!!

How do you solve problems like -1/2+1/3 or -3 1/5+-6 1/2 without a number line?
6. ### physics

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?
7. ### physics

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
8. ### physics

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
9. ### physics

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
10. ### Physics

Ok guys, state the surface powers required to produce the following lenses with +5.75D front curves. a) -0.50DS b) +0.50DS c) +1.75DS d) -1.25DS i'm not sure if it's as straight forward as calculating the difference, eg. a) +5.75 - …

More Similar Questions