Question

How to solve questions based on sign convection for "convex" mirror ?(class10)

Answer 1

please give the question

remember=

focal length of conves mirror has a positive sign.

and the formula is

1/v+1/u= 1/f.....mirror formula

distance of object= negative

Answer 2

-always take object dist as negative

-take object hight if it lie above principle axis

- based on nature of img i.e if its virtual take as positive

if its real take as negative