What are the sign convention for reflection by sperical mirrors?

1.	What are the sign convention for reflection by sperical mirrors?
Answer» Cartesian Sign Convention:\xa0In the case of spherical mirror all signs are taken from Pole of the spherical mirror, which is often called origin or origin point. This sign convention is known as New Cartesian Sign Convention.\tSign is taken as + (positive) behind the spherical mirror. For example if an image is formed behind the mirror, the distance of image is taken as + (positive) from pole along the principal axis.\tThe height of is taken as + (positive) above the principal axis and taken as – (negative) below the principal axis. Join Betternation.xyz This is a site where u can have a lot of friends and fun ? ?

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