1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The potential difference that must be applied to stop the fastest photoelectrons emitted by a nickel surface, having work functions 5.01 eV, when ultraviolet light of 200 nm falls on it, must be
A
2.4 V
B
$$-$$ 1.2 V
C
$$-$$ 2.4 V
D
1.2 V
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
A source S1 is producing, 1015 photons per second of wavelength 5000 $$\mathop A\limits^ \circ $$. Another source S2 is producing 1.02 $$ \times $$ 1015 photons per second of wavelength 5100 $$\mathop A\limits^ \circ $$. Then, (power of S2)/(power of S1) is equal to
A
1.00
B
1.02
C
1.04
D
0.98
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 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
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12