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CBSE Class 10 Answered

the focal length of a concave lens is positive.it's power is-
Asked by deepitapai | 13 Feb, 2009, 11:54: AM
Expert Answer

The focal length and the power of concave lens are negative as the image is formed on the same side of the object.

Answered by | 13 Feb, 2009, 07:23: PM
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