1.

A symmetrical bi-concave thin lens is cut into two identical halves and arranged as shown.What will be the effective focal length of the arrangement ?[Given, μ= refracting index of material and R= radius of curvature]

Answer»

A symmetrical bi-concave thin lens is cut into two identical halves and arranged as shown.





What will be the effective focal length of the arrangement ?

[Given, μ= refracting index of material and R= radius of curvature]



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