A thin double convex lens is to focus the image of an object onto a screen...

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A thin double convex lens is to focus the image of an object onto a screen...

A thin double convex lens is to focus the image of an object onto a screen so that the image is life-sized. The lens has equal radii of 151 cm and the refractive index is n = 1.6. (a) What is the distance d from image to screen? (b) What is the total distance L between object and image?

(a) d = 252 cm
(b) L = 504 cm

(a) d = -252 cm
(b) L = -504 cm

(a) d = 504 cm
(b) L = 1008 cm

(a) d = 126 cm
(b) L = 63 cm

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