Question

what is mirror and it's formula

Answer 1

➡Mirror is a reflective surface which is polished from back.
There are two types of mirror ::--
➡Concave
➡convex

Answer 2

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Mirror formula is the relationship between object distance (u), image distance (v) and focal length. Themirror formula for concave mirror: 1/f=1/v+1/u.
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