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A convex lens has focal length of 20cm. At what distance from the lens should the object be placed so that the image is formed at 40 cm on the other side

of the lens and state the nature of the image so formed.




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Please follow the attachment :)
1 5 1
Imaginay-Existing only in your mind or imagination 
oopss..!! thnqq :)
never mind!
yeh lens nahi mirror formula hai.question main lens de rakha hai
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