Question

how to solve sign convention questions

Answer 1

sign convention are the direction's +ive, -ive sign which is used to solve problems in mirror, optics chapter.

Answer 2

Explanation:

For Concave mirror

Object distance, u will negative

Image distance, v will positive in virtual image

and v will negative in real image

Focal length , f will negative

For convex mirror

Object distance, u will negative

Image distance, v will positive

Focal length, f will positive