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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: lens
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[Post New]1 Jul 2008 14:15:46 IST
    Subject: lens
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djdylan2000 (204)

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An object is placed 90cm from a screen. A convex lens forms an image of the object on the screen when the sames lens is placed at two different positions separated by a dist of 20cm. Find focal lenght of the lens.


 


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[Post New]1 Jul 2008 15:36:41 IST
    Subject: Re:lens
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sid1678 (62)

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WHATS THE FOCAL LENGTH OF CONVEX LENS
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