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
Which of the following are suitable for the fusion process ?
A
light nuclei
B
heavy nuclei
C
element lying in the middle of the periodic table
D
middle elements, which are lying on binding energy curve.
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Energy released in nuclear fission is due to
A
some mass is converted into energy
B
total binding energy of fragments is more than the binding energy of parantal element
C
total binding energy of fragments is less than the binding energy of parental element
D
total binding energy of fragments is equal to the binding energy of parental element.
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Mn and Mp represent the mass of neutron and proton respectively. An element having mass M has N neutrons and Z protons, then the correct relation will be
A
M < {N $$ \cdot $$ Mn + Z $$ \cdot $$ Mp}
B
M > {N $$ \cdot $$ Mn + Z $$ \cdot $$ Mp}
C
M = {N $$ \cdot $$ Mn + Z $$ \cdot $$ Mp}
D
M = N {Mn + Mp}
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