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The inter-planar spacing between the (2 ...

The inter-planar spacing between the (2 2 1) planes of a cubic lattice of length 450 pm is -

A

50 pm

B

150 pm

C

300 pm

D

450 pm

Text Solution

Verified by Experts

The correct Answer is:
B
`d_("hkl")=(a)/(sqrt(h^(2)+k^(2)+l^(2)))`
`=(450)/(sqrt(4+4+1))=(450)/(sqrt(9))=150`
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