1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Change Language
In the Young's double slit experiment, the intensity of light at a point on the screen where the path difference $$\lambda $$ is K, ($$\lambda $$ being the wavelength of light used). The intensity at a point where the path difference is $$\lambda $$/4 will be
A
K
B
K/4
C
K/2
D
zero
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
Hydrogen atom in ground state is excited by a monochromatic radiation of $$\lambda $$ = 975 $$\mathop A\limits^ \circ $$. Number of spectral lines in the resulting spectrum emitted will be
A
3
B
2
C
6
D
0 10
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