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CGP EDU Academic Team
Published on: August 14, 2026
Mr. Ratan Nura wants to arrange 4 identical spheres (of radius R) on a two dimensional floor as close as possible. Finally he could arrange them. Identify the type and dimensions of the figure obtained by joining their centres. Could Mr. Nura occupy the whole available space, if not, then what type of voids were generated. Calculate their number and radius of small ball that can be fitted in them.
Text Solution
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Sol. Rhombus: 2R, 60°, 120° ; No, Triangular voids; 2 Voids, 0.155 R
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