1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
When the energy of the incident radiation is increased nby 20%, the kinetic energy of the photoelectrons emitted from a metal surface increased from 0.5 eV to 0.8 eV. The work function of the metal is
A
0.65 eV
B
1.0 eV
C
1.3 eV
D
1.5 eV
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
If the kinetic energy of the particle is increased to 16 times its previous value, the percentage change in the de Broglie wavelength of the particle is
A
25
B
75
C
60
D
50
3
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
The binding energy per nucleon of and nuclei are 5.60 MeV and 7.06 MeV respectively. In the nuclear reaction

$${}_3^7Li + {}_1^1H \to {}_2^4He + _2^4He + Q$$

the value of energy Q released is
A
19.6 MeV
B
$$-$$ 2.4 MeV
C
8.4 MeV
D
17.3 MeV
4
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
The given graph represents V-I characteristic for a semiconductor device.

AIPMT 2014 Physics - Semiconductor Electronics Question 103 English

Which of the following statement is correct ?
A
It is V-I characteristic for solar cell where, point A represents open circuit voltage and point B short circuit current.
B
It is for a solar cell and popints A and B represent open circuit voltage and current, respectively.
C
It is for a photodiode and points A and B represent open circuit voltage and current, respectively.
D
It is for a LED and points A and B represent open circuit voltage and short circuit current, respectively.