JEE Main 8 Apr 2019 Paper 2 Solved Paper

Section: Chemistry

Question : 55 of 90

Marks: +1, -0

Consider the bcc unit cells of the solids 1 and 2 with the position of atoms as shown below. The radius of atom B is twice that of atom A. The unit cell edge length is 50% more in solid 2 than in 1. What is the approximate packing efficiency in solid 2?

[8 Apr 2019 Shift 2]

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