it is desired to obtain An erect image of an object using concave mirror of focal length 12 centimetre. 1.what should be the range of distance of an object placed in front of the mirror. 2.will the image be smaller or bigger than the object placed draw a ray diagram to show the formation of image in this case
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a) In concave mirror erect is formed only when the object is placed between pole and focus. So object distance should be less than 12 cm
b) The image would be larger than the object
c) If the object distance is 24 cm which is the approx position of centre of curvature, then the image will be formed at the same position
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a) object distance should be less than 12 cm
b)the image will be bigger
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