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2. A thin converging lens has a focal length of 10.0 cm. An object is placed 30.0 cm from this lens. Use a sheet of the graph paper provided at the back of this manual to draw a ray diagram that shows the image formed by this lens. Use any two of the three principal (or special) rays and an appropriate scale. Hint: you could let I cm on your ray diagram represent 5 cm of the actual measurements:this scale is often expressed as (1 cm: 5 cm). Using your ray diagram, measure the image distance (s) and use it and the given object distance to calculate the magnification of the image. State whether the image is erect or inverted, and whether it is real or virtual.
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Answer #1

object distance= -30cm

image distance= 15cm

magnification= image distance/object distance=- 15/30= - 0.5

image is inverted and real.

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