Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Consider the bcc unit cells of the solid 1 and 2 with the position of atoms as shown below. The radius of atom 
is twice that of atom 
. The unit cell edge length is 
more in solid 2 than in 1 . What is the approximate packing efficiency in solid 2?
Solid 1 
Solid 2 
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
% packing efficiency 
Let radius of corner atom is 
and radius of central atom is 
So, 
Now
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
PART - A (PHYSICS)
A solid sphere and solid cylinder of identical radii approach an incline with th…
In the circuit shown, a four-wire potentiometer is made of a long wire, which extends between and…
A parallel plate capacitor has capacitance. One of its two plates is given charge and the other p…
If Surface tension (S), Moment of Inertia (I) and Planck's constant (h), were to be taken as the fu…
Two magnetic dipoles and are placed at a separation , with their axes perpendicular to each othe…
A damped harmonic oscillator has a frequency of 5 oscillations per second. The amplitude drops to h…