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a convex mirror has a focal length of magnitude f. an object is placed in front...

a convex mirror has a focal length of magnitude f. an object is placed in front of this mirror at a point 2/3f from the face of the mirror. the image will appear?

A. inverted and enlarged

B. behind the mirror

C. upright and enlarged

D. inverted and reduced

E. upright and reduced

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Answer #1

apply 1/f = 1/u +1/v

or f = uf/(u+v)

fhere u = 2f/3

1/v = 1/f - 1/u

v = uf/(u-f)

v = 2f/3 * f/(2/3-1)f

v = 2f/3 * 3/1

v = 2f so answer is upright and enlarged.


answered by: zahid
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