Solid State Question 146

Question: The formula for determination of density of unit cell is

Options:

A) $ \frac{a^{3}\times N _{o}}{N\times M}gc{{m}^{-3}} $

B) $ \frac{N\times M}{a^{3}\times N _{o}}gc{{m}^{-3}} $

C) $ \frac{a^{3}\times M}{N\times N _{o}}gc{{m}^{-3}} $

D) $ \frac{M\times N _{o}}{a^{3}\times N}gc{{m}^{-3}} $

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Answer:

Correct Answer: B

Solution:

Density of unit cell $ =\frac{N\times mol\text{.}wt.(M)}{V(=a^{3})\times avogadrono\text{.}(N _{o})}gc{{m}^{-3}} $