Question

Two lenses are mounted d = 38 cm apart on an optical bench. The focal length...

Two lenses are mounted d = 38 cm apart on an optical bench. The focal length of the first lens is f1 = 7.3 cm and that of the second lens is f2 = 4.8 cm. An object of height ho = 3.1 cm is placed at a distance of do = 23 cm in front of the first lens.

a.)Ignoring the second lens for now, at what distance, in centimeters, behind the first lens is the object’s image formed by that lens?

b.)Calculate the magnification of that image, including its sign.

c.)Which choice best describes that image?

d.)Now consider the two-lens system and the final image it forms, i.e., the image created by the second lens. What is the distance, in centimeters, between the object and its final image?

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