Question

        A) A real object is placed 8 cm in front of a convex lens with...

        A) A real object is placed 8 cm in front of a convex lens with a focal length of 12 cm.

(a) Find the image distance.

(b) What is the magnification of the image?

(c) Describe the characters of the image.

        B)   A real object is 6 cm in front of a concave lens whose focal length is -10 cm.

(a) Find the image distance.

(b) What is the magnification of the image?

(c) Describe the characters of the image.

         C)A concave lens has a focal length of 10 cm. An object is placed 25 cm from the lens.

(a) Determine the approximate distance between the object and the image.

(b) What is the magnification of the image?

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Answer #1

u = object distance

v = image distance

f = focal length

m= magnification

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