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An object is placed at a distance of 
from a convex lens. The image will be
Physics-General
- At one of the foci, virtual and double its size
- At 3f / 2, real and inverted
- At 2f, virtual and erect
- None of these
Answer:The correct answer is: At one of the foci, virtual and double its size
(Given 
)
and 
So virtual at the focus and of double size.
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