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An object 5 cm tall is 10 cm from a convace lens. The resulting image is one fifth as large as the object. What is the focal lenght of the lens?
I have been doing questions involving focal lenght, but not when the resulting image is a fraction of the original image. i do not know where to start or what equation(s) to use?? :(
I have been doing questions involving focal lenght, but not when the resulting image is a fraction of the original image. i do not know where to start or what equation(s) to use?? :(