A metal 'M' is crystallised in F.C.C lattice. The number of unit cells in it having 2.4 × 1024 atoms
(1) N                   (2) N/2                    (3) 2 N                      (4) 4 N   

2.4/6.023
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Option 3
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Answer is Option 1. N
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2.4* 10 power 24 divided by 2 gives 6.023* 10 power 23 . Hence N/2 is answer
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