1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The mass of a $${}_3^7Li$$ Li nucleus is 0.042 u less than the sum of the masses of all its nucleons. The binding energy per nucleon of $${}_3^7Li$$ nucleus is nearly
A
46 MeV
B
5.6 MeV
C
3.9 MeV
D
23 MeV
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The energy of a hydrogen atom in the ground state is $$-$$ 13.6 eV. The energy of a He+ ion in the first excited state will be
A
$$-$$ 13.6 eV
B
$$-$$ 27.2 eV
C
$$-$$ 54.4 eV
D
$$-$$ 6.8 eV
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The energy of a hydrogen atom in the ground state is $$-$$ 13.6 eV. The energy of a He+ ion in the first excited state will be
A
$$-$$ 13.6 eV
B
$$-$$ 27.2 eV
C
$$-$$ 54.4 eV
D
$$-$$ 6.8 eV
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The number of beta particles emitted by a radioactive substance is twice the number of alpha particles emitted by it. The resulting daughter is an
A
isomer of parent
B
isotone of parent
C
isotope of parent
D
isobar of parent
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