AP EAMCET Medical 17 May 2024 Shift 2 Paper

Question : 140 of 160

Marks: +1, -0

X-ray diffraction studies show that a metal ' M ' crystallises in an fcc unitcell with edge length of 400 pm . If the density of the metal is 7.5×103‌kg‌m−3, the number of unitcells present in 0.015 kg of it is