02_12_Two_Lens

# 02_12_Two_Lens - Today 2/10 o o o o o Multiple Lens Systems...

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Today 2/10 o Multiple Lens Systems 26.9 o Lab: Questions? o No HW assigned today o Review in class tomorrow o HW: “2/10 Two Lenses” Due Thursday 2/13 o Exam I Thursday, Feb 13 5:00 to 7:00pm Witmer 116 Overflow to Witmer 114

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Example: f = + 6 cm and - 18 cm lenses are 1 cm apart d o = + 12 cm d o Find the image due to the first lens, ignore the second for now. Now ask what happens to these rays at the second lens. d o Need another ray-- from the center of the diverging lens along the first image.
d Math First lens d o = 12, f = 6 d i = ? d i = 12 Second lens d o = -11, f = -18

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## This note was uploaded on 12/21/2010 for the course PHYS Physics 21 taught by Professor Larrywatson during the Spring '08 term at North Dakota.

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02_12_Two_Lens - Today 2/10 o o o o o Multiple Lens Systems...

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