if the image formed by a lense for all positions of an object placed in front of it is always erect and deminished what is the nature of this lense? draw a ray diagram to justify your answer. if the numerical value of the power of this lens is 10d.what is the focal length in the Cartesian system
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Answer:
The image formed by a lense
Explanation:
When the image for all positions of an object is always erect and diminished, the lens must be concave. In fig A'B' is erect and diminished image of AB, formed by a concave lens.
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