In Young's double slit experiment the separation
between the slits is 2 mm, the wavelength
of the light used is
and distance
between the screen and slits is 100 cm. It is found that the angular width of the fringes is
. To increase the fringe angular width to
(with same
and
) the separation between the slits needs to be changed to [NEET 2018]
Text Solution
Verified by ExpertsThe correct answer is:
B
Here, 

We know that
Angular width, 




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