Question

what is lens formula give its sign conventions and assumptions ​

Answer 1

Explanation:

Lens Formula: A formula which gives the relationship between image distance, object distance and focal length of lens is known as focal length. ... Focal length of convex lens is positive and concave lens is negative. 4. The distances measured upward and perpendicular to the principal axis are taken as positive

Answer 2

Answer:

Ur answer:

Explanation:

Lens Formula: A formula which gives the relationship between image distance, object distance and focal length of lens is known as focal length. ... Focal length of convex lens is positive and concave lens is negative. 4. The distances measured upward and perpendicular to the principal axis are taken as positive.