the radius of curvature of spherical mirror is 20 cm what is the focal length?
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✍️ SPHERICAL MIRROR :-
We know, Focal length = Radius of curvature/2
or, f = 20/2 cm = 10 cm
Thus, the focal length of the given spherical mirror is 10 cm. (ans)
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206
Explanation:
it is compounds around 270 bones at brith this
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