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March 6, 2015

March 6, 2015

Posted by **Kayleigh** on Wednesday, May 11, 2011 at 11:33pm.

- Physics -
**drwls**, Thursday, May 12, 2011 at 1:51ama) 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

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