1.

Calculate the distance between 111 planes in a crystal of Calculate the distance between 111 planes in a crystal of Ca. the answer is

Answer»

1.61nm
0.610nm
0.321 nm
None of these

Solution :We have, `d=(a)/(SQRT(h^(2)+k^(2)+I^(2))):d_(111)=(0.556)/(sqrt(I^(2)+I^(2)+I^(2)))`
=0.321 nm.


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