Physics-
General
Easy
Question
The radius of curvature of the left and right surface of the concave lens are 10cm and 15cm respectively. The radius of curvature of the mirror is 15cm
- equivalent focal length of the combination is -18cm
- equivalent focal length of the combination is +36cm
- the system behaves like a concave mirror
- the system behaves like a convex mirror
The correct answer is: equivalent focal length of the combination is -18cm
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