TS EAMCET 11-Sep-2020 Shift 2 Solved Paper

Density (ρα) for α− form =‌

MZ1

N0(a1)3

and density (ρβ) for β -from =‌

MZ2

N0(a2)3

Given,
side length (a1) for (α)=2pm
side length (a2) for (β)=4pm
where, M= molar-mass
N0= Avagadro number
Z1 and Z2= number of particles in α and β form. a1 and a2 are side lengths.
Here, Z1=4,Z2=2,a1=2,a2=4
‌

ρα

ρβ

=‌

4×(4)3

2×(2)3

=‌

256

16

=16