A beam of light of 
nm from a distant source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 
away. Thedistance between first dark fringes on either side of the central bright fringe is
Text Solution
Verified by ExpertsThe correct answer is:
D
: Here, 
mm 
Distance between the first dark fringes on either side of the central bright fringe is also the width of central maximum.
Width of central maximum 
mm
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