Eye The image produced by the lens of the eye is and than the object a)virtual, larger b)virtual, smaller c)real, larger d)real, smaller.

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Presentation transcript:

Eye The image produced by the lens of the eye is ____ and ____ than the object a)virtual, larger b)virtual, smaller c)real, larger d)real, smaller

Camera The image produced by the lens of a camera is ____ and ____ than the object a)virtual, larger b)virtual, smaller c)real, larger d)real, smaller

Glasses The image produced by the lens of glasses for nearsightedness is ____ and ____ than the object a)virtual, larger b)virtual, smaller c)real, larger d)real, smaller

Reading glasses The image produced by the lens of reading glasses (for farsightedness) is ____ and ____ than the object a)virtual, larger b)virtual, smaller c)real, larger d)real, smaller

PAL A woman’s nearpoint is 50 cm and her farpoint is 10 m. Her lens-to-retina distance is 2.2 cm. 1.a) Is she looking at something close or far when her eye has its largest focal length? (No need to justify this one) b) Find the largest focal length her eye lens can attain cm

2) a) Is she looking at something close or far when her eye has its smallest focal length? (No need to justify this one) b) Find the smallest focal length her eye lens can attain cm