Question

A3.0-cm-tall object is 15 cm in front of a converging lens that has a 20 cm focal length Part A Calculate the image position Express your answer to two significant figures and include the appropriate units. Enter positive value if the image is on the other side from the lens and negative value if the image is on the same side. IA RO ? Value Units Submit Request Answer Part B Calculate the image height Express your answer to two significant figures and include the appropriate units. Enter positive value if the image is upright and negative value if the image is inverted, Value Units

Answer 1

focal length of converging lens, j = 20 cm object distance, u = - 15 cm - height of object, ho = 3cm According to lens formula (9) - t t t = utd od u ju v=tu = 204-15 -15 + 20 - utgie =-60 cm (b) Image is on the same side as that of object. Magnification , hi - v. hi = hoe where hi 's height of image ni = -60 x 30 - u - - 15 h = 12 cm Image s upright.