engineering recuitment BEL Probationary Engineers Mock Test 2025 Engineering Materials Science Structure and Properties of Engineering Materials Crystal Structures
फलक केंद्रित घनीय (FCC) क्रिस्टल का परमाणु त्रिज्या क्या [a = जालक प्राचल] होती है?
1
\(\frac{a\sqrt 2}{4}\)
2
\(\frac{a\sqrt 3}{2}\)
3
\(\frac{a\sqrt 3}{4}\)
4
\(\frac{a\sqrt 2}{3}\)