A child looks at his reflection in a spherical Christmas tree ornament 8.0 cm in diameter in season that the image of his face i
s reduced by 1/2 how far is his face from the ornament
1 answer:
From the information given,
diameter of ornament = 8
radius = diameter/2 = 8/2
radius of curvature, r = 4
Recall,
focal length, f = radius of curvature/2 = 4/2
f = 2
Recall,
magnification = image d
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