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August 21, 2014

August 21, 2014

Posted by **Angel** on Thursday, March 29, 2012 at 9:33pm.

from the ornament.

a) Where will its image form?

b) What is the magniﬁcation of the image

- Physics -
**drwls**, Thursday, March 29, 2012 at 11:32pmThe focal length of the convex mirror surface is

f = -R/2 = -1.75 cm

For the image distance di, use

1/do + 1/di = 1/f = -1/1.75

1/di = -1/1.75 -1/11.8 = -0.6562

di = -1.524 cm (1.524 cm behind the bulb surface)

Magnification = |di/do| = 1.524/11.8

= 0.129

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