Question

‘When an object is 15.5 cm from a lens, an image is formed 11.0 cm from...

‘When an object is 15.5 cm from a lens, an image is formed 11.0 cm from the lens on the same side as the object. What is the focal length of the lens? Is the lens converging or diverging? If the object is 8.00 mm tall, how tall is the image? Express your answer in millimeters to three significant figures.

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Answer #1

Given no=8 m. di = 11 am do = 15.5 cm f = ? using lens formula, f = 14 + 155 f = 6.434 an. Now, magniti com bito, hi =-5-677 Eve sign) show Inverted image. Here fis positive only if the lens is convex lens ( converging lens) mm.

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