CBSE Class 10 Answered
A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall object be placed so that it forms an image at 15 cm from the lens ? Also calculate the size of the image formed.
Asked by muchu.mkk12345 | 21 Jul, 2019, 10:53: AM
Expert Answer
f=-20cm
v=-15
Answered by Utkarsh Lokhande | 21 Jul, 2019, 11:35: AM
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