1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
The energy of hydrogen atom in nth orbit is En then the energy in nth orbit of singly ionised helium atom will be
A
4En
B
En/4
C
2En
D
En/2
2
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}
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 2000
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
For the given reaction, the particle X is
$$_6{C^{11}} \to {}_5{B^{11}} + {\beta ^ + } + X$$
A
neutron
B
anti neutrino
C
neutrino
D
proton
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