Question

CAssignment 36 Problem 1 Review PartA A 3.9-cmtall object is 28 cm to the left-of a lens with a focal length of 14 cm. A second lens with a focal length of 5.0 cm is 38 cm to the right of the first lens. Calculate the distance between the final image and the second lens. Express your answer to two significant figures and include the appropriate units. cm Request Answer Submit Part B Calculate the image height. Express your answer to two significant figures and include the appropriate units. cm

Answer 1

The first lens forms an image that is then the object for the second lens IDENTIFY: to each lens. and m' 1 - si280 cm 14.0 cm) +28.0cm. Lens 1:-+-=-gives s, EXECUTE: s1-i 28.0 cm- 14.0 cm 28.0cm -1.00. yi-m (1.00)( 3.90 cm)-3.90 cm. The image I is 28.0 cm S1 28.0cm to the right of lens 1, is 3.90 cm tall and is inverted. (a) Lens 2: y2-3.90 cm. The image I is 38.0cm- 28.0cm 10.0cm to the left of lens 2, so s2 +10.0cm. s,-52i_(10.0cm)( 5.00 cm) y,-m2y,-(-1.00)(_ 3.90 cm) 3 90 cm. The image is 10.0 cm to the right of the second lens. 1s 10.ocm 1.00 10.0 cm (b)2 = + 100cm. s2 =s22/22 = 100cm-500cm)관00cn!m2 =-si =-:10cm =-100 s2Tf2 10.0cm-5.00 cm 3.90 cm tall, and is erect with respect to the original object

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