This chapter is currently out of syllabus
1
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.
2
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%
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The fraction of total volume occupied by the atoms present in a simple cube is
A
$${\pi \over {3\sqrt 2 }}$$
B
$${\pi \over {4\sqrt 2 }}$$
C
$${\pi \over 4}$$
D
$${\pi \over 6}$$
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
If NaCl is doped with 10$$-$$4 mol% of SrCl2, the concentration of cation vacancies will be (NA = 6.02 $$ \times $$ 1023 mol$$-$$1)
A
6.02 $$ \times $$ 1016 mol$$-$$1
B
6.02 $$ \times $$ 1017 mol$$-$$1
C
6.02 $$ \times $$ 1014 mol$$-$$1
D
6.02 $$ \times $$ 1015 mol$$-$$1
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