u. Passiig uugi lile local point. 28. A convex lens has a focal length (f). An object is placed at (f) on the axis. The

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U Passiig Uugi Lile Local Point 28 A Convex Lens Has A Focal Length F An Object Is Placed At F On The Axis The 1 (512.5 KiB) Viewed 35 times

u. Passiig uugi lile local point. 28. A convex lens has a focal length (f). An object is placed at (f) on the axis. The image formed is located: a. At infinity 6. Between (2f) and infinity. c. At (28) d. Between (f) and (21). 29. An object is 10.4cm tall, and 4.8cm in front of a diverging lens. The image is 4cm from the lens. How tall is the image? a. 12.5cm 68.7cm c. 5.4cm d. 1.8cm 30. An object is 1.4mm in front of a converging lens. The image is 5.8mm behind the lens. What is the focal length of the lens? a. 4.4mm b. 4.1mm c. 1.4mm d.lmm 31. An object is 15.2mm from a converging lens. The image is 4mm tall, and 9cm from the lens. How tall is the object? a. 6.8mm b. 5.4mm c. 1.7mm (d. 9.68mm 32. An object is place 40cm in front of a 20cm focal length converging lens. How far is the image of this object from the lens? 40cm b. 20cm c. 13.3cm d. None of the above. 33. An object is placed between a convex lens and its focal point. The image formed is: Virtual and upright. b. Virtual and inverted. c. Real and upright. d. Real and inverted, 34. A convex lens has focal length (f). An object is placed at (2f) on the axis. The image formed is located: a. At (2f) b. Between (f) and (2f). c. At (f). d. Between the lens and (f).