Science, asked by dstyre, 1 year ago

A concave lens has focal length 20 cm. At what distance should the object from the lens be placed so that it forms the image at a distance 10 cm from the lens?

Answers

Answered by Mohit0007
1
Object distance(u) found is -20 cm
and it's same as it's focal length means object is placed on F.
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