Question

when does a concave mirror forms a real image which is equal size to the object​

Answer 1

Answer:

Geometric Optics tells us that when the object distance (Do) equals twice the focal length ( 2 f) the image distance (Di) would also be at (2 f). The image would be real, therefore inverted, and equal in size to the object

Explanation:

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Answer 2

when the object placed in centre of curvature.

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