1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A sample of radioactive element containing 4 $$ \times $$ 1016 active nuclei. Half life of element is 10 days, then number of decayed nuclei after 30 days
A
0.5 $$ \times $$ 1016
B
2 $$ \times $$ 1016
C
3.5 $$ \times $$ 1016
D
1 $$ \times $$ 1016
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A deutron is bombarded on 8O16 nucleus then $$\alpha $$-particle is emitted. The product nucleus is
A
7N13
B
5B10
C
4Be9
D
7N14
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
For a transistor $${{{I_C}} \over {{I_E}}}$$ = 0.96, then current gain for common emitter is
A
12
B
6
C
48
D
24
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Number of atom per unit cell in B.C.C.
A
9
B
4
C
2
D
1
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