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Class 10 Science Medium Mcq English Medium

To obtain a real image of an object that is exactly the same size as the object using a convex lens, the object should be placed at

Question
To obtain a real image of an object that is exactly the same size as the object using a convex lens, the object should be placed at
the principal focus
twice the focal length (2F1)
infinity
between the optical centre and the focus
Answer
twice the focal length (2F1)
Detailed Explanation
Per Table 9.4, placing the object at 2F1 (twice the focal length) produces a real, inverted image at 2F2, of the same size as the object.
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