Question

what is the formulas for concave and convex mirror

Answer 1

its the same mirror formula is applied for both the spherical mirror
its called a mirror formula----
1/u + 1/ v = 1/ f

or, 1/ object distance + 1/ image distance = 1/ focal length ....


-------------------hope it help you ----------------------

Answer 2

$hii \: there$
$concave \: mirror > >$
1) The reflecting surface of a concave mirror is bulged inwards.


2) These mirrors produces real and inverted images.

$convex \: mirror > >$
1) The reflecting surface of a convex mirror is bulged outwards.


2) These mirrors form dimnished images.


$mirror \: formula \: for \: both \\ concave \: and \: convex \: mirror \\ \: is$
>>>> 1/v + 1/u = 1/f

where, v = image distance, u = object distance and f= focal length of the mirror.



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Hope it helps :)