State where An object is placed so that the image formed by a concave Mirror is : a) erect and virtual b) at infinity c) the same size at the object
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(a) an object must be placed Between pole and focus of the mirror so that the image formed by a concave mirror is erect and virtual.
(b) an object must be placed At the focus of the mirror so that the image formed by a concave mirror is at infinity.
(c) an object must be placed At the centre of curvature of the mirror so that the image formed by a concave mirror is the same size as the object.
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Answer:(a)when object is placed between focus and pole of a concave mirror then image will form virtual and erect and enlarge.
(B)when object is at the focus of concave mirror then image will form on infinity. (c) when object is at centre of curvature then image will form same size of object and at centre of curvature
Explanation:
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