Answer the time period one and plz answer in atleast 2 lines
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(A)Centre of curvature of a spherical mirror is defined as the centre of the sphere of which the spherical mirror is a part. In other words, it is the centre of the sphere from which the spherical mirror is sliced.
(B)We can find the number of images formed if we know the angle between the plane mirrors. This is given by formula: n= (360/ ϴ) - 1 if 360 /ϴ is even. n= 360/ ϴ if it comes odds.
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