Asked by Kayleigh
A convex mirror has a radius of curvature of 36.0 cm. When a 5.60 cm tall object is placed in front of the mirror, the magnification is 0.250. (a) What is the height of the image? (b) How far is the object from the mirror?
Answers
Answered by
drwls
a) Di = (1/4)*5.6 = 1.4 cm
b) Use the equation
1/Do + 1/Di = 1/f = -2/R
Di = -0.25*Do
(A minus sign is needed for Di since the mirror is convex and the image is virtual)
1/Do -4/Do = -3/Do = -1/18
Do = 54 cm
Di = -13.5 cm
b) Use the equation
1/Do + 1/Di = 1/f = -2/R
Di = -0.25*Do
(A minus sign is needed for Di since the mirror is convex and the image is virtual)
1/Do -4/Do = -3/Do = -1/18
Do = 54 cm
Di = -13.5 cm
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