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Draw and explain the image formation in spherical mirrors. |
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Answer» Solution :The image can be LOCATED by graphical construction. To locate the point of an image, a minimum of two rays must meet at that point. (i) A ray parallel to the principal axis after reflection will pass through or appear to pass through the principle FOCUS. (Figure(a) )  (ii) A ray passing through or appear to pass through the principal focus, after reflectionwill travel parallel to the principal axis(Figure(b))  (iii) A ray passing through the centre of curvature RETRACES its path after reflection as it is a case of normal incidence. (Figure(C))  (iv) A ray falling on the pole will get reflected as PER law of reflection keeping principal axis as the normal. (Figure(d)) 
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