Thin Lens And Lens Maker Equations Video Lessons

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Problem: A 2.0-cm-tall candle flame is 2.0 m from a wall. You happen to have a lens with focal length of 32 cm. (a) How many places can you put the lens to form a well-focused image of the candle on the wall? (b) For each position, what is the height and orientation of the image?

FREE Expert Solution

This problem involves the formation of images using lenses. 

(a)

Lens equation:
1so+1si=1f

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Problem Details

A 2.0-cm-tall candle flame is 2.0 m from a wall. You happen to have a lens with focal length of 32 cm. 

(a) How many places can you put the lens to form a well-focused image of the candle on the wall? 

(b) For each position, what is the height and orientation of the image?

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