1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A nuclide of an alkaline earth metal undergoes radioactive decay by emission of the periodic table to which the resulting daughter element would belong is
A
Gr.13
B
Gr. 17
C
Gr. 14
D
Gr. 16
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The radioactive isotope $${}_{27}^{60}$$Co which is used in the treatment of cancer can be made by (n.p) reaction. For this reaction the tarfet nucleus is
A
$$_{28}^{59}$$ Ni
B
$$_{27}^{59}$$ Co
C
$$_{28}^{60}$$ Ni
D
$$_{27}^{60}$$ Co
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
The radioistope, tritium ($${}_1^3$$H) has a half-life of 12.3 years. If the initial amount of tritium is 32 mg, how many milligrams of it would remain after 49.2 years?
A
1 mg
B
2 mg
C
4 mg
D
8 mg
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
$${}_{92}^{235}$$U, nucleus absorbs a neutron and distintegrate in $${}_{54}^{139}$$Xe, $${}_{38}^{94}$$Sr and $$x$$ so, what will be product $$x$$?
A
3-neutrons
B
2-neutrons
C
$$\alpha $$-particle
D
$$\beta $$-particle
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