1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state are excited by monochromatic radiation of photon energy 12.1 eV. According to Bohr's theory, the spectral lines emited by hydrogen will be
A
one
B
two
C
three
D
four
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The binding energy of deuteron is 2.2 MeV and that of $${}_2^4$$He is 28 MeV. If two deuterons are fused to form one $${}_2^4$$He then the energy released is
A
30.2 MeV
B
25.8 MeV
C
23.6 MeV
D
19.2 MeV
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following pairs of nuclei are isotones ?
A
34Se74,  31Ga71
B
38Sr84,  38Sr86
C
42Mo92,   40Zr92
D
20Ca40,  16S32
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
In any fission process the ratio
mass of fission products
mass of parent nucleus
is
A
equal to 1
B
greater than 1
C
less than 1
D
depends on the mass of the parent nucleus.

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