If the image formed by a lens for all positions of an object placed in front of it is always erect and diminished what is the nature of this lens? Draw a ray diagram to justify your answer
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a erect and dimished image is always formed by concave lens
as convex form one erect image which is magnified
as convex form one erect image which is magnified
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- If the image formed by a lens for all positions of an object placed in front of it is always erect and diminished. Then, the lens is concave.
- The ray diagram shows that the object is placed between F' and 2F', then the image will formed between focus and optical center of the lens.
- The formed image is virtual and erect and diminished in size.
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