- X - Y Here X and Y represent- - BCC- FCC respectively-FCC- FCC respectively-FCC- primitive respectively-FCC- BCC respectively-

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Types of Unit Cell

X ...

Question

X

Y

Here X and Y represent:

FCC, BCC respectively

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BCC, FCC respectively

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FCC, FCC respectively

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FCC, primitive respectively

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Solution

The correct option is C
FCC, FCC respectively

Here both the units cells are same, FCC (particles on corners and at the face centers).

These are just two representations.

The first picture represents how the atoms look like in a crystal.

The second one represents lattice points which are positions of particles

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[0.77 Mark]

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X Y Here X and Y represent:

X

Y

Here X and Y represent: