Question

what is mirror formula?


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Answer 1

Answer:

Suppose an object is placed u cm in front of a spherical mirror of focal length f such that the image is formed v cm from the mirror, then u, v and f are related by the equation; 1/f= 1/u + 1/v. This equation is referred to as the mirror formula. The formula holds for both concave and convex mirrors

Step-by-step explanation:

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Answer 2

Answer:

Here image distance measured from pole P is in the direction of incident ray hence will be taken as positive but focal length and object distance will be taken as positive. Hence, the equation of mirror formula is 1f=1v+1u.