1
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The mass number of a nucleus is
A
always less than its atomic number
B
always more than its atomic number
C
sometimes equal to its atomic number
D
sometimes less than and sometimes more than its atomic number
2
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
In which of the following systems will the radius of the first orbit (n = 1) be minimum ?
A
doubly ionized lithium
B
singly ionized helium
C
deuterium atom
D
hydrogen atom
3
AIPMT 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
A nuclear reaction given by

ZXA $$ \to $$ z+1YA + $$-$$1e0 + $$\overline v $$ represents
A
$$\beta $$-decay
B
$$\gamma $$-decay
C
fusion
D
fission
4
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.
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