This chapter is currently out of syllabus
1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Copper crystallises in a face-centred cubic lattice with a unit cell length of 361 pm. What is the radius of copper atom in pm?
A
157
B
181
C
108
D
128
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which of the following statements is not correct?
A
The number of carbon atoms in a unit cell of diamond is 4
B
The number of Bravais lattices in which a crystal can be categorized is 14
C
The fraction of the total volume occupied by the atoms in a primitive cell is 0.48.
D
Molecular solids are generally volatile.
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Percentage of free space in a body centred cubic unit cell is
A
34%
B
28%
C
30%
D
32%
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
With which one of the following elements silicon should be doped so as to give p-type of semiconductor?
A
Selenium
B
Boron
C
Germanium
D
Arsenic
NEET Subjects
EXAM MAP