1.

When the image distance will be + or - in the case of convex mirror

Answer» It always be positive
Negative
Image distance will be negative as the image formed on the left side of convex mirror.So according to new Cartesian rule, image distance will be negative
Convex mirror always forms virtual image.So the image distance will be always positive
I am agree with Royal Thakur
Sorry the image distance will be positive because it forms virtual and erect image.
Image distance will always be negative because it forms real and inverted image in all case .


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