If several lenses are in contact, how is the total power (P) of the combination calculated? - OPTICS Quiz | GKFix.in

Content protected from screenshots

Question

If several lenses are in contact, how is the total power (P) of the combination calculated?

A. P = P1 * P2 * P3 * ...
B. P = P1 + P2 + P3 + ...
C. P = 1/(P1+P2+P3+...)
D. P = (P1+P2+P3)/n