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double-convex-lens
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![[Physics] A double-convex thin lens has surfaces with equal radii of curvature of magnitude 2.50 cm.](https://i.ytimg.com/vi/6hFM34rwv0c/mqdefault.jpg)
4 месяца назад
16 4 месяца назад 2:59[Physics] A double-convex thin lens has surfaces with equal radii of curvature of magnitude 2.50 cm.
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34 1 месяц назад 14:45If one surface of a double convex lens has been slivered then its effective focal length f is ( take