Q. 34.2( 10 Votes )
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Answer :
Focal length (F) = 20cm
Object distance (u) = -60cm
Image distance (v) = ?
Using Lens formula: 
v = 60/2 = 30cm
As the object is beyond the centre of curvature (2F = 40cm), then the image will be formed between focus & centre of curvature. The image will be real, diminished, inverted and 30 cm away from the lens.
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