Questions
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
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By Expert Faculty of Sri Chaitanya
a
is halved
b
becomes four times
c
remains unchanged
d
is doubled
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Correct option is B
Fringe width, β=λDdwhere D is the distance between slits and screen and d is the distance between the slits. When D is doubled and d is reduced to half, then fringe width becomesβ'=λ(2D)(d/2)=4λDd=4βSimilar Questions
If one of the two slits of Young's double slit experiment is halved, the
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