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An object O is placed in.front …

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An object O is placed in.front of a concave lens of focal length 20 cm..Determine the focal length of the convex lens if a real image is formed at a distance of 30 cm by the convex lens.

Posted by Rockstar Aadi 8 years, 10 months ago

CBSE > Class 10 > Science

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Posted by Pandey Ji 5 months, 3 weeks ago

CBSE > Class 10 > Science