Determine the focal length of a concave spherical mirror which is manufactured in the form of a thin symmetric biconvex glass lens one of whose surfaces is silvered. The curvature radius of the lens surface is R=40cm.

Asked by akankshyasahu | 6th May, 2011, 03:07: AM

Expert Answer:

we know that focal length of a concave mirror is given by
 
 ,where R is radius of the curvature and f is the required focal length.
Therefore
 
 

Answered by  | 6th May, 2011, 01:35: AM

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