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Physical Optics - Set 4
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NUST Entrance Test
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Physics
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Physical Optics
Set 4
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Mashaal Masha
Oct 15, 2022
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Choose the correct options for the following questions.
In YDS experiment, condition for constructive interference is that path difference is equal to:
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Difficulty: Easy
A:
$n\lambda$
B:
$m\lambda$
C:
$(n+1/2)\lambda$
D:
$(m+1/2)\lambda$
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The fringe width in YDS experiment can be increased by decreasing:
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Difficulty: Easy
A:
Width of slits
B:
Wavelength of light
C:
Slits separation
D:
Distance between slits and screen
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