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how focal length of lens is changed when placed in water
Responses :
 Shrey  Offline | Posted on : 10:36:52 PM on January 12, 2011 how focal length of lens is changed when placed in water |
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 Krishnapriya Offline | Posted on : 08:55:19 PM on January 24, 2011 Focal will never change may it be in the case of mirrors on lens! |
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