1
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
If the lattice parameter for a crystalline structure is 3.6 $$\mathop A\limits^ \circ $$, then the atomic radius in fcc crystal is
A
2.92 $$\mathop A\limits^ \circ $$
B
1.27 $$\mathop A\limits^ \circ $$
C
1.81 $$\mathop A\limits^ \circ $$
D
2.10 $$\mathop A\limits^ \circ $$
2
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
A shell of mass 200 gm is ejected from a gun of mass 4 kg by an explosion that generates 1.05 kJ of energy. The initial velocity of the shell is :
A
40 ms$$-$$1
B
120 ms$$-$$1
C
100 ms$$-$$1
D
80 ms$$-$$1
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
A particle moves in a straight line with a constant acceleration. It changes its velocity from 10 ms$$-$$1 to 20 ms$$-$$1 while passing through a distance 135 m in t second. The value of t is
A
12
B
9
C
10
D
1.8
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Which two of the following five physical parameters have the same dimensions ?
1.  Energy density
2.  Refractive index
3.  Dielectric constant
4.  Young's modulus
5.  Magnetic field
A
1 and 4
B
1 and 5
C
2 and 4
D
3 and 5