This chapter is currently out of syllabus
1
COMEDK 2022
MCQ (Single Correct Answer)
+1
-0
Out of Syllabus

How many atoms are present in hcp per unit cell?

A
4
B
2
C
1
D
6
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
Out of Syllabus

Sodium metal crystallises in a body centred cubic lattice with a unit cell edge of 4.29 $$\mathop A\limits^o $$. The radius of sodium atom is

A
1.86 $$\mathop A\limits^o $$
B
3.22 $$\mathop A\limits^o $$
C
5.72 $$\mathop A\limits^o $$
D
0.93 $$\mathop A\limits^o $$
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
Out of Syllabus

How much part of any corner atom actually belongs to a particular unit cell?

A
$$\frac{1}{4}$$th
B
$$\frac{1}{6}$$th
C
$$\frac{1}{8}$$th
D
$$\frac{1}{10}$$th
4
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
Out of Syllabus

The vacant space in bcc lattice cell is

A
26%
B
48%
C
23%
D
32%
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