Circular discs of radius 1 m each are placed on a plane so as to form a closely packed triangular lattice. The number of discs per unit area is approximately equal to -2 -2 (a) 0.86m² (b) 0.43m2 (c) 0.29 m (d) 0.14m2

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Circular discs of radius
m each are placed on a plane so as to form a closely packed
triangular lattice. The number of discs per unit area is approximately equal to
(a) 0.86m?
(b) 0.43m2
(c) 0.29 m2
(d) 0.14m2
Transcribed Image Text:Circular discs of radius m each are placed on a plane so as to form a closely packed triangular lattice. The number of discs per unit area is approximately equal to (a) 0.86m? (b) 0.43m2 (c) 0.29 m2 (d) 0.14m2
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