A 1.0-cm-tall object is 75.0 cm in front of a converging lens that has a 30.0 cm

Question

A 1.0-cm-tall object is 75.0 cm in front of a converging lens that has a 30.0 cm focal length.
a. Use ray tracing to find the position and height of the image. To do this accurately, use a ruler or paper with a grid. Determine the image distance and image height by making measurements on your diagram.

b. Using equations, what is the image location? (make sure this agrees with your ray tracing)

c. Using equations, what is the image height? Use a negative value to indicate an inverted image. (make sure this agrees with your ray tracing)

please show me very well detailed answer

Explanation / Answer

a) just draw.. make sure in scale.. b) di = (1/f - 1/do)^-1 = (1/30 - 1/75)^-1 = 50cm c) m=-di/do = -50/75 = -0.67 (means image becomes smaller and will be inverted) hi = mho = -0.67 * 1cm (- mean inverted) = -0.67cm

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