1
AIPMT 2015 Cancelled Paper
+4
-1
In a double slit experiment, the two slits are 1 mm apart and the screen is placed 1 m away. A monochromatic light of wavelength 500 nm is used. What will be the width of each slit for obtaining ten maxima of double slit within the central maxima of single slit pattern ?
A
0.5 mm
B
0.02 mm
C
0.2 mm
D
0.1 mm
2
AIPMT 2014
+4
-1
A beam of light of $$\lambda = 600$$ nm from a distant source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance between first dark fringes on either side of the central bright fringe is
A
1.2 cm
B
1.2 mm
C
2.4 cm
D
2.4 mm
3
AIPMT 2014
+4
-1
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
4
NEET 2013 (Karnataka)
+4
-1
In Young's double slit experiment the distance between the slits and the screen is doubled. The separation between the slits is reduced to half. As a result the fringe width
A
is halved
B
becomes four times
C
remains unchanged
D
is doubled
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