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Figure shows a cube of unit cell of CCP ...

Figure shows a cube of unit cell of CCP arrangements with face centred atoms marked 1,2, 3. Which of the following is true?

A

Atom 3 is twice as far from 1 as form 2

B

Atom 2 is equidistant from atoms 1 `&` 3

C

Atom 2 is nearer to 1 than to 3

D

All atoms lie on a right angle triangle

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