1
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
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 device that can act as a complete electronic circuit is
A
junction diode
B
integrated circuit
C
junction transistor
D
zener diode
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following bonds produces a solid that reflects light in the visible region and whose electrical conductivity decreases with temperature and has high melting point ?
A
metallic bonding
B
van der Waal's bonding
C
ionic bonding
D
covalent bonding