Question

Sign convention of concave lens and convex lens?

Answer 1

Answer:

concave lens

ho=-ve

o=-ve

f=-ve

hi=-ve

v=-ve

u=-ve

in conex pens everything is positive except u

Answer 2

Answer:

same as the cartesian plane

Explanation:

concave lens

focus - negative

distance from image-- negative

convex lens

focus--positive

distance from image --positive

distance of object is always taken as negative