Published by:
CGP EDU Academic Team
Published on: August 21, 2026
In Young's double slit experiment the separation d between the slits is 2mm, the wavelength 
of the light used is 5896 
and distance D between the screen and slits is 100 cm. It is found that the angular width of the fringes is 0,20°. To increase the fringe angular width to 0.21° (with same 
and D) the separation between the slits needs to be changed to
Text Solution
Verified by ExpertsThe correct answer is:
Angular width 
For new seperation
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