Published by:
CGP EDU Academic Team
Published on: August 11, 2026
Volume of HCP unit cell is :
A
24 
r3
r3
B
8 
r3
r3
C
16 
r3
r3
D
24 
r3
r3
Text Solution
Verified by ExpertsThe correct answer is:
A
Volume of hexagon :
tan30 0 = 
So y = 
= 
a and Area of hexagonal surface = 6 
= 
volume of hexagon = area of base × height
= 
× a2 × 2 
a = 
× (2r)2 + 2 
× (2r)
= 24 
r3
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