Messages posted by rishabh awasthi

the lens having the radii of curvature r1 & r2 focal length can be given by{p=1/f=(2n1-1)(1/r1-1/r2)}hence lens maker formula does not require angle of incidence

please tell me the phenomenon of refraction through prism?

do not post such articles which cause feeling drowsy atlest when we r sitting at comp.

if it is so simple to remove the head-ache then this method should be widely accepted.since i read this article when i myself suferring from head-ache so i did not oppose this

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