Question

what sign convention we use in mirror....plane,concave and convex??​

Answer 1

HERE IS YOUR ANSWER:

IN PLANE MIRROR:

u = -

v = +

h = +

h' = +

f = +

IN CONCAVE MIRROR:

u = -

v = - and + (for last condition, where the image is formed behind the mirror)

h = +

h' = - and + (for last condition)

f = - and + (for last condition)

IN CONVEX MIRROR :

u = -

v = +

h = +

h' = +

f = +

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Answer 2

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