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A student wants to obtain an erect image of an object using a concave mirror of 12 cm focal length. What should be the range of distance of the object from the mirror ? State the nature and size of the image he is likely to observe. Draw a ray diagram to justify your answer.
(i) The object should be placed between 0 to 12 cm from the pole of the mirror.
(ii) The image will be bigger than the object.
Ray diagram


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