Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

A metal crystallises into two cubic phases,face centred cubic (FCC) and body centred cubic (BCC),whose unit cell length are 3.5 and $3.0A^{\large\circ}$,respectively.Calculate the ratio of densities of FCC and BCC.

$\begin{array}{1 1}1.36\\1.26\\1.46\\1.16\end{array} $

Can you answer this question?

1 Answer

0 votes
Answer : 1.26
The expression of density is
$\rho =\large\frac{N}{a^3}\big(\frac{M}{N_A}\big)$
For face-centred cubic unit cell,N=4.For body-centred cubic unit cell,N=2
answered Jul 17, 2014 by sreemathi.v

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, AIPMT Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App