railway RRB JE (CBT I + CBT II) Mock Test 2024 Engineering Materials Science Structure and Properties of Engineering Materials Crystal Structures
Iron at 20°C is BCC with atoms of atomic radius 0.124 nm. What is the lattice constant ‘a’ for the cube edge of the iron unit cell ?
1
0.2864 nm
2
0.1496 nm
3
0.2173 nm
4
0.1756 nm