GGRC45H3 Lecture 8: GGRC45H3 - Week 11, Lecture 8 Notes (March 23, 2011) (Min-Jung Kwak, Winter 2011)
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1)A fish underwater views a fisherman directly above.Thefisherman's head is 1.18 m abovethe surface of the water. Howfar above the surface does it appearto the fish to be?
2) An object 3.9 mmhigh is on the optical axis of two lenseswith focallengths f1 =+5.0cm,f2 = +10cm. The object is 6.2 cm to theleft of the first lens,and the second lens is 34 cm to the right ofthe first lens.Find the position (relative to the second lens) andthe size of thefinal image by calculation.
position | ![]() |
size | ![]() |
3)A small object is on the optical axis, 25.3 cm from a +21.2cm lens. Find theimage distance and magnification bycalculation.
image distance | cm |
magnification | |