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The Lens Formula Relating the Image Distance,p,to the Focal Length,f,and

Question 42

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The lens formula relating the image distance,p,to the focal length,f,and object distance,s,is The lens formula relating the image distance,p,to the focal length,f,and object distance,s,is The magnification of a lens is -A movie projector is equipped with a 0.5-m focal length lens that is positioned 0.505 m in front of the film.The distance in front of the lens that a screen must be placed for an image to be in focus is A) 0.5 m. B) 0.505 m. C) 50.5 m. D) 500 m. E) 505 m. The magnification of a lens is The lens formula relating the image distance,p,to the focal length,f,and object distance,s,is The magnification of a lens is -A movie projector is equipped with a 0.5-m focal length lens that is positioned 0.505 m in front of the film.The distance in front of the lens that a screen must be placed for an image to be in focus is A) 0.5 m. B) 0.505 m. C) 50.5 m. D) 500 m. E) 505 m.
-A movie projector is equipped with a 0.5-m focal length lens that is positioned 0.505 m in front of the film.The distance in front of the lens that a screen must be placed for an image to be in focus is


A) 0.5 m.
B) 0.505 m.
C) 50.5 m.
D) 500 m.
E) 505 m.

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