1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
If the focal length of objective lens is increased then magnifying power of
A
microscope will increase but that of telescope decrease.
B
microscope and telescope both will increase.
C
microscope and telescope both will decrease.
D
microscope will decrease but that of telescope will increase.
2
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
3
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
4
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
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