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Question 1. An object of height 1.1 cm.is placed 30 cm to the left of a converging lens of 20 cm focal length. A second lens of unknown focal length is placed 40 cm to the right of the just lens. The final image is located 50 cm to the right of the second lens ( a) Draw a diagram showing locations of the lenses, objects, and images . (b) what is the focal length of the second lens.? Is it converging or diverging ? ( c ) what is the height of the final image? Is it real or vitual