4 8 m b s 2 0 4 8 m c s 2 2 4 8 m d s 2 2 4

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 2 m How does the s2’, the distance to the FINAL image, change? (A) s2’ inc re a s e s (B) s2’ d e c re a s e s s 1 =7 4 c m f=4 7 c m R ES ULT S s 1 ’ : 1 .4 3 m 1 .2 9 m s 2 ’ : 2 .6 9 m 1 .3 8 m (C ) s2’ re m a ins th e s a m e Step through images, one at a time WORDS Inc re a s ing s 1 will d e c re a s e s 1 ’ (m o ving c lo s e r to fo c a l p o int wo uld inc re a s e th e im a g e d is ta nc e ) De c re a s ing s 1 ’ will inc re a s e s 2 Inc re a s ing s 2 will d e c re a s e s 2 ’ EQUATIONS 111 =− s1′ f s1 s2 = 2m − s1′ 1 11 =− s2′ f s2 1 inc re a s e s s1′ s 2 inc re a s e s 1 inc re a s e s s2′ Multip le Le ns e s Exe rc is e s Multip Suppose we now decrease the initial object distance to 58 cm. Applying the lens equation, we find s 1’ = 2.4...
View Full Document

Ask a homework question - tutors are online