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The smaller the size of the sphere, the greater its magnifying power. This equation is used: I = 333/d where I is the magnifying power and d is the diameter of the sphere in mm. Therefore, we can work out the magnification of these spheres: A sphere of 1.66mm in diameter = 200X A sphere of 3.33mm in diameter = 100X A sphere of 1.11mm in diameter = 300X
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Major funding for Rough Science was provided by the National Science Foundation. Corporate funding was provided by Subaru. Copyright © 2002 The Open University and WETA. |
How
can we determine the magnifying power?