For this lens;
R1 is +ve, R2 is -ve
R1 is -ve, R2 is +ve
R1 & R2 are both +ve.
R1 & R2 are both -ve.
Following the sign convention; R1 is +ve & R2 is -ve.
If R1 and R2 are the radii of curvature of a double convex lens, which of the following will have the largest power?