What is the focal length of the concave lens

Reference no: EM13260460

A convex lens with f1= 20.3cm is mounted 39.5cm to the left of a concave lens. When an object is placed 29.4cm to the left of the convex lens, a real image is formed 60.7cm to the right of the concave lens.

What is the focal length f2 of the concave lens?

Reference no: EM13260460

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