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If you look at yourself in a shiny Christmas tree ball with a diameter of 8.0 cm when your face is 30.0 cm away from it where is your image?
Wiki User
∙ 11y ago
first the focal is = 8cm/2 =4cm/2=2cmso 1/30+1/d= 1/2
1/d= 14/30= 2.14cm
Wiki User
∙ 11y ago
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